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These are the user uploaded subtitles that are being translated: 1 00:00:19,252 --> 00:00:22,837 - Imagine, strange creatures lurking deep 2 00:00:22,839 --> 00:00:25,106 Below the ocean's surface. 3 00:00:25,108 --> 00:00:26,349 Creatures, some say, 4 00:00:26,351 --> 00:00:29,570 Are responsible for countless tragedies. 5 00:00:30,489 --> 00:00:31,822 - The ship disappears, 6 00:00:31,824 --> 00:00:34,867 All 31 crew members are lost, gone. 7 00:00:34,869 --> 00:00:36,910 I know exactly what I saw, 8 00:00:36,912 --> 00:00:38,871 It's a dragon in the water. 9 00:00:40,207 --> 00:00:43,100 - Or shocking evidence of the undead, 10 00:00:43,102 --> 00:00:45,786 Buried in a new England hillside. 11 00:00:45,788 --> 00:00:49,139 The skull has been detached from the body. 12 00:00:49,141 --> 00:00:52,442 - Everyone gets superstitious, is whipped up into a frenzy, 13 00:00:52,444 --> 00:00:54,911 And starts desecrating graves. 14 00:00:56,448 --> 00:01:01,101 - How about uncovering an entire lost city in your basement? 15 00:01:01,853 --> 00:01:03,937 Little do you realize 16 00:01:03,939 --> 00:01:06,807 That beneath your feet is an engineering marvel. 17 00:01:06,809 --> 00:01:08,325 - These are the stories of things 18 00:01:08,327 --> 00:01:10,961 That lie beneath that are so surprising, 19 00:01:10,963 --> 00:01:13,447 They're truly unbelievable. 20 00:01:26,912 --> 00:01:29,713 For many of us, the most disturbing answer 21 00:01:29,715 --> 00:01:35,302 To what lies beneath is also the most common, the dead. 22 00:01:36,188 --> 00:01:37,908 But do you know what's even more disturbing? 23 00:01:38,857 --> 00:01:40,507 The undead. 24 00:01:46,982 --> 00:01:49,165 - It's 1990 in griswold, connecticut, 25 00:01:49,167 --> 00:01:53,203 And what is about to happen is insanely creepy. 26 00:01:53,205 --> 00:01:55,572 A group of boys are playing in the woods 27 00:01:57,176 --> 00:02:00,593 And they discover a human skull. 28 00:02:02,014 --> 00:02:04,197 The griswold, connecticut police think it's a serial killer 29 00:02:04,199 --> 00:02:08,126 And immediately cordon off the area as a crime scene. 30 00:02:08,128 --> 00:02:10,278 - But once forensic anthropologists 31 00:02:10,280 --> 00:02:12,297 Start doing their analyses, 32 00:02:12,299 --> 00:02:13,612 They figure out that this is someone 33 00:02:13,692 --> 00:02:18,445 Who was buried many years ago, in the 1800s. 34 00:02:18,447 --> 00:02:19,704 As they dig deeper, 35 00:02:19,706 --> 00:02:22,473 They uncover something even stranger. 36 00:02:22,475 --> 00:02:26,127 - There's four burials, three of them are normal, 37 00:02:26,129 --> 00:02:29,389 But the fourth, they find that the skull 38 00:02:29,391 --> 00:02:31,558 Has been detached from the body 39 00:02:31,560 --> 00:02:34,235 And it has been laid on top of the coffin 40 00:02:34,237 --> 00:02:38,198 With the two thigh bones crossed in front of it. 41 00:02:38,200 --> 00:02:43,811 In other words, like a pirate flag on top of the coffin. 42 00:02:44,481 --> 00:02:47,832 - And carved upon it are the letters, jb. 43 00:02:49,353 --> 00:02:52,087 - They dig down and they opened the coffin, 44 00:02:52,089 --> 00:02:54,581 That's when they find this one grave, 45 00:02:54,583 --> 00:02:55,840 Honestly, it looks like it 46 00:02:55,842 --> 00:02:56,750 Could have been ritualistic. 47 00:02:56,752 --> 00:02:59,336 You've got a decapitated skull, 48 00:02:59,338 --> 00:03:02,188 You've got the ribs cracked open. 49 00:03:02,190 --> 00:03:04,408 As the forensics experts do their thing, 50 00:03:04,410 --> 00:03:05,926 They're able to tell that this body 51 00:03:05,928 --> 00:03:09,687 Was dug up five years after death 52 00:03:09,689 --> 00:03:13,150 And then dismembered and rearranged. 53 00:03:13,152 --> 00:03:15,602 - They call archeologists, they call museums, 54 00:03:15,604 --> 00:03:16,837 They call universities, 55 00:03:16,839 --> 00:03:19,447 And finally someone tells them, well, 56 00:03:19,449 --> 00:03:22,934 You know about the jewett city vampires, right? 57 00:03:24,763 --> 00:03:27,130 It turns out those kids playing in the woods 58 00:03:27,132 --> 00:03:29,866 Stumbled across the first physical evidence 59 00:03:29,868 --> 00:03:32,002 Of something deeply irrational. 60 00:03:34,639 --> 00:03:37,274 - The new England vampire panic sweeps new England 61 00:03:37,276 --> 00:03:42,179 From the late 18th up through the late 19th century. 62 00:03:43,115 --> 00:03:46,149 - When a death seems foggy or strange, 63 00:03:46,151 --> 00:03:49,453 Everyone gets superstitious, is whipped up into a frenzy, 64 00:03:49,455 --> 00:03:51,721 And starts desecrating graves, 65 00:03:51,723 --> 00:03:54,524 Making sure that the dead don't rise again. 66 00:03:56,661 --> 00:03:59,112 - Not entirely dissimilar from the tests 67 00:03:59,114 --> 00:04:02,449 That were used in salem or in other eras with witches. 68 00:04:03,893 --> 00:04:06,661 If we have a series of deaths in a village 69 00:04:06,663 --> 00:04:11,099 And we have a suspected undead member of the community, 70 00:04:11,101 --> 00:04:15,194 We'll exhume that body, cut it open, 71 00:04:18,092 --> 00:04:20,742 Remove the heart, cut the heart open, 72 00:04:20,744 --> 00:04:23,053 And if there's blood inside, bingo, 73 00:04:23,055 --> 00:04:25,005 We've found our vampire. 74 00:04:27,609 --> 00:04:28,766 The mysterious jb 75 00:04:28,768 --> 00:04:32,162 Is just one of many suspected vampires dug up 76 00:04:32,164 --> 00:04:33,346 During the panic. 77 00:04:34,215 --> 00:04:38,502 Perhaps the most notorious is the poor mercy brown. 78 00:04:40,522 --> 00:04:42,656 - In the 1880s, mercy's mother 79 00:04:42,658 --> 00:04:45,783 And sister both succumb to tuberculosis, 80 00:04:45,785 --> 00:04:48,570 And mercy is left with her brother and father. 81 00:04:48,572 --> 00:04:52,498 Mercy seems fine for about 10 years, but when she's 19, 82 00:04:52,500 --> 00:04:56,536 She too develops the symptoms of tuberculosis infection. 83 00:04:57,380 --> 00:04:59,305 By the dawn of the 19th century, 84 00:04:59,307 --> 00:05:03,176 Tuberculosis has killed one in seven people on the planet. 85 00:05:03,178 --> 00:05:05,378 So there's reason to be afraid. 86 00:05:05,380 --> 00:05:06,680 - Tuberculosis is not fun. 87 00:05:06,682 --> 00:05:09,807 It's a bacteria and it attacks your lungs, 88 00:05:09,809 --> 00:05:12,810 But it also does a lot of other terrible things. 89 00:05:12,812 --> 00:05:14,037 It rots part of your body, 90 00:05:14,039 --> 00:05:16,481 It can cause you to spit up blood, you can't breathe, 91 00:05:16,483 --> 00:05:18,208 You get gaunt and pale, 92 00:05:18,210 --> 00:05:23,522 And this sort of looks a little bit like maybe vampires. 93 00:05:24,657 --> 00:05:27,734 - Mercy is being greatly diminished by this disease. 94 00:05:27,736 --> 00:05:31,404 Death is on her door, but rather than having compassion 95 00:05:31,406 --> 00:05:35,683 Or have mercy shown to her by her neighbors, 96 00:05:36,703 --> 00:05:38,061 They think she was the source of her mother 97 00:05:38,063 --> 00:05:40,671 And sister's death a decade before, 98 00:05:41,083 --> 00:05:44,842 And they accuse mercy of vampirism. 99 00:05:46,263 --> 00:05:50,240 That resentment continues even after she dies. 100 00:05:50,242 --> 00:05:52,050 Though she's dead and buried, 101 00:05:52,052 --> 00:05:54,185 The entire village remains terrified. 102 00:05:54,187 --> 00:05:55,853 - It just so happens that mercy's brother 103 00:05:55,855 --> 00:05:57,414 Is also ill at this point, 104 00:05:57,416 --> 00:06:00,266 And the neighbors think mercy is coming back 105 00:06:00,268 --> 00:06:02,819 To feed on her family members. 106 00:06:03,705 --> 00:06:06,272 They convince her father to exhume the bodies 107 00:06:06,274 --> 00:06:07,924 So that they can examine them 108 00:06:07,926 --> 00:06:11,044 For what they believe will be proof of vampirism, 109 00:06:11,046 --> 00:06:15,022 Namely that there will still be blood in the heart. 110 00:06:16,368 --> 00:06:20,712 So they open the graves of mercy's mother, sister, 111 00:06:21,473 --> 00:06:22,339 And mercy's grave as well. 112 00:06:22,341 --> 00:06:23,965 Of course, her mother and sister 113 00:06:23,967 --> 00:06:25,442 Have been dead for 10 years. 114 00:06:25,444 --> 00:06:27,594 There's no blood left in their hearts. 115 00:06:27,596 --> 00:06:29,812 Mercy's only been dead for a little while, 116 00:06:29,814 --> 00:06:32,282 So of course, when they open her chest, 117 00:06:32,284 --> 00:06:33,466 Her heart still has blood in it, 118 00:06:33,468 --> 00:06:36,878 And they determine she must be a vampire. 119 00:06:37,623 --> 00:06:39,289 And how the villagers plan to stop 120 00:06:39,291 --> 00:06:43,551 The vampire virus is, well, merciless. 121 00:06:44,296 --> 00:06:47,130 - They take mercy's heart, they burn it, 122 00:06:47,132 --> 00:06:50,558 Those ashes are then fed to her younger brother 123 00:06:50,560 --> 00:06:54,621 As basically a vaccine against vampirism. 124 00:06:54,623 --> 00:06:57,541 - Hopefully at this point in time he's too fevered 125 00:06:57,543 --> 00:06:59,901 To recognize what was happening. 126 00:07:01,254 --> 00:07:03,905 But mercy's scorched heart can't save her brother, 127 00:07:03,907 --> 00:07:07,834 And two months later he too dies of tuberculosis. 128 00:07:07,836 --> 00:07:10,703 - Mercy's story is well covered in the media, 129 00:07:10,705 --> 00:07:11,829 It goes global. 130 00:07:11,831 --> 00:07:15,333 - Following these events, bram stoker is writing 131 00:07:15,335 --> 00:07:20,021 His soon to be world famous novel "dracula", 132 00:07:20,023 --> 00:07:21,998 And there is supposition 133 00:07:22,000 --> 00:07:25,018 That mercy brown is translated 134 00:07:25,020 --> 00:07:29,506 Into the story of lucy who also withers away 135 00:07:29,508 --> 00:07:34,210 And then returns as a child of the night. 136 00:07:35,763 --> 00:07:39,082 - But what legend inspired stoker's infamous blood sucker? 137 00:07:39,084 --> 00:07:42,293 Most believe it was an actual medieval prince, 138 00:07:42,295 --> 00:07:45,388 One with a very real thirst for blood. 139 00:07:47,575 --> 00:07:51,653 - Vlad the impaler is the original dracula. 140 00:07:52,956 --> 00:07:56,899 And he does execute people in nasty ways. 141 00:07:56,901 --> 00:08:01,021 He's famous for impaling alive his enemies. 142 00:08:02,566 --> 00:08:04,907 - He will go on to earn his moniker, 143 00:08:04,909 --> 00:08:07,360 The impaler, where he would kill, 144 00:08:08,197 --> 00:08:11,198 According to greek historians, upwards of 80,000 people, 145 00:08:11,200 --> 00:08:14,159 More than a quarter of whom were impaled. 146 00:08:15,061 --> 00:08:16,903 Tales abound of vlad dining 147 00:08:16,905 --> 00:08:19,188 Among his impaled victims, 148 00:08:19,857 --> 00:08:21,908 Even dipping his bread in their blood. 149 00:08:22,761 --> 00:08:25,319 - Some reports even say that vlad drinks the blood 150 00:08:25,321 --> 00:08:29,065 Of his enemies, which would make him the closest thing 151 00:08:29,067 --> 00:08:32,385 We have to, well, a real vampire. 152 00:08:33,305 --> 00:08:37,498 The question is what caused this unholy bloodlust? 153 00:08:37,500 --> 00:08:39,016 - Early in his life, 154 00:08:39,018 --> 00:08:43,946 Vlad the impaler is imprisoned for political reasons. 155 00:08:43,948 --> 00:08:45,189 According to lore, 156 00:08:45,191 --> 00:08:48,676 Vlad spends years in an underground dungeon 157 00:08:48,678 --> 00:08:51,154 In a castle called tokat. 158 00:08:53,157 --> 00:08:56,383 - He develops this taste for impaling rats, 159 00:08:56,385 --> 00:08:58,303 Essentially conducting certain kinds 160 00:08:58,305 --> 00:09:02,373 Of grotesque experiments on the corpses of rats. 161 00:09:02,375 --> 00:09:05,468 Mind you, if you were incarcerated in a dungeon 162 00:09:05,470 --> 00:09:09,455 Or dark, damp cave underneath a castle for years on end, 163 00:09:09,457 --> 00:09:12,983 You might go a little bloodthirsty yourself. 164 00:09:12,985 --> 00:09:14,544 Makes a weird kind of sense, 165 00:09:14,546 --> 00:09:16,813 But most historians write off this story, 166 00:09:16,815 --> 00:09:19,065 Because the castle where vlad was imprisoned 167 00:09:19,067 --> 00:09:20,483 Doesn't have dungeons. 168 00:09:20,485 --> 00:09:24,053 At least that's what they think until 2014. 169 00:09:24,806 --> 00:09:28,482 - The historical site of tokat castle in turkey 170 00:09:28,484 --> 00:09:29,884 Is finally excavated, 171 00:09:29,886 --> 00:09:33,254 And the archaeologists discover something 172 00:09:33,256 --> 00:09:35,322 That they never thought they'd find 173 00:09:35,324 --> 00:09:37,483 In a million years, tunnels. 174 00:09:37,485 --> 00:09:41,003 Tunnels that lead to two hidden dungeons. 175 00:09:41,005 --> 00:09:43,707 - They start to realize this was a place 176 00:09:43,709 --> 00:09:45,158 Where people were imprisoned. 177 00:09:45,160 --> 00:09:47,026 - They put two and two together 178 00:09:47,028 --> 00:09:48,745 And realized that these tunnels 179 00:09:48,747 --> 00:09:52,816 And dungeons closely matched the accounts of those 180 00:09:52,818 --> 00:09:56,236 Where vlad and his brother suffered torment. 181 00:09:56,238 --> 00:09:58,020 Does this prove that the tales 182 00:09:58,022 --> 00:10:00,640 Of the real life dracula are actually true? 183 00:10:00,642 --> 00:10:04,244 - So this chance discovery in tokat castle 184 00:10:04,246 --> 00:10:06,037 May actually be the connection 185 00:10:06,039 --> 00:10:10,633 That we need of the dungeons and the terror experienced 186 00:10:10,635 --> 00:10:14,187 By vlad the impaler that led to the inspiration 187 00:10:14,189 --> 00:10:17,114 For bram stoker's prince of darkness. 188 00:10:18,284 --> 00:10:20,301 - Dungeons, the undead, 189 00:10:20,303 --> 00:10:22,269 What else could lie beneath? 190 00:10:22,271 --> 00:10:25,332 As we'll find out, the deeper you go, 191 00:10:25,334 --> 00:10:27,250 The stranger it gets. 192 00:10:29,954 --> 00:10:32,121 - The age of exploration opened the world's eyes 193 00:10:32,123 --> 00:10:34,949 To just how vast the planet's oceans are. 194 00:10:34,951 --> 00:10:38,094 It also opened the door to many questions, 195 00:10:38,096 --> 00:10:40,597 Like just how deep are those waters 196 00:10:41,383 --> 00:10:43,450 And what the heck is down there? 197 00:10:45,370 --> 00:10:50,147 - In 1875, the hms challenger is circumnavigating the globe 198 00:10:50,149 --> 00:10:53,902 In what was really the first great oceanographic expedition. 199 00:10:55,172 --> 00:10:57,246 - Pretty big adventure here. 200 00:10:57,248 --> 00:11:00,099 They're making the first charts of the ocean, if you will, 201 00:11:00,101 --> 00:11:01,534 And this is pretty important. 202 00:11:01,536 --> 00:11:04,078 So they roll up to the area called the mariana trench, 203 00:11:04,080 --> 00:11:09,417 And they drop a line, and it keeps going and going. 204 00:11:10,336 --> 00:11:12,103 With five miles of rope on board, 205 00:11:12,105 --> 00:11:15,281 The crew figures they have plenty to reach the bottom, 206 00:11:15,283 --> 00:11:17,717 Until the unbelievable happens. 207 00:11:18,603 --> 00:11:19,944 - They run out of rope 208 00:11:19,946 --> 00:11:22,555 And they can't actually get the exact depth. 209 00:11:24,017 --> 00:11:26,926 - And then 76 years later in 1951, 210 00:11:27,603 --> 00:11:29,871 The hms challenger ii goes out. 211 00:11:31,148 --> 00:11:33,950 Do they bring a bigger piece of rope this time? 212 00:11:33,952 --> 00:11:35,902 No need when you've got sonar. 213 00:11:37,105 --> 00:11:39,864 What they find shocks the world. 214 00:11:39,866 --> 00:11:42,433 - The challenger ii measures the mariana trench 215 00:11:42,435 --> 00:11:43,768 To be seven miles deep. 216 00:11:43,770 --> 00:11:47,029 It is officially the deepest part of the ocean. 217 00:11:47,799 --> 00:11:51,192 - It is also the deepest place on earth. 218 00:11:52,361 --> 00:11:54,120 - Let's put how deep this goes in perspective. 219 00:11:54,122 --> 00:11:57,623 It's as if you stacked 25 empire state buildings 220 00:11:57,625 --> 00:12:00,877 On top of each other, that's how deep this is. 221 00:12:00,879 --> 00:12:02,094 That's pretty deep. 222 00:12:02,096 --> 00:12:05,640 So deep it makes curious explorers worldwide wonder, 223 00:12:06,317 --> 00:12:07,892 Can anything live there? 224 00:12:10,563 --> 00:12:13,172 - The first ones to take the plunge are oceanographers, 225 00:12:13,174 --> 00:12:16,309 Jacques piccard and don walsh in 1960. 226 00:12:16,311 --> 00:12:18,803 - And they get in this thing called the bathysphere 227 00:12:18,805 --> 00:12:21,405 That descends underwater. 228 00:12:22,517 --> 00:12:24,484 - These guys get down to the bottom, 229 00:12:24,486 --> 00:12:27,336 They see what appears to be a barren landscape. 230 00:12:27,338 --> 00:12:28,504 The pressures are so great, 231 00:12:28,506 --> 00:12:31,491 There's no light to support photosynthesis. 232 00:12:31,493 --> 00:12:33,417 But when they look more closely, 233 00:12:33,419 --> 00:12:34,827 They see that there 234 00:12:34,829 --> 00:12:36,271 Actually is life. 235 00:12:40,986 --> 00:12:43,152 - There is life at the bottom. 236 00:12:43,154 --> 00:12:44,537 I mean, this is unbelievable. 237 00:12:44,539 --> 00:12:46,322 This changes everything people know 238 00:12:46,324 --> 00:12:49,017 About what is happening in the ocean depths. 239 00:12:49,861 --> 00:12:51,728 After a three hour ascent, 240 00:12:51,730 --> 00:12:54,430 The divers return to tell their tale, 241 00:12:54,432 --> 00:12:56,632 But now there are new questions. 242 00:12:56,634 --> 00:12:58,851 How many creatures are down there 243 00:12:58,853 --> 00:13:01,154 And how on earth do they survive? 244 00:13:01,156 --> 00:13:04,465 - Most of the life that we see in the ocean lives 245 00:13:04,467 --> 00:13:06,851 Within the first 600 feet where the waters are warmer 246 00:13:06,853 --> 00:13:09,545 And there are kind of thriving ecosystems based on the sun. 247 00:13:09,547 --> 00:13:11,522 Below that, you enter the twilight zone 248 00:13:11,524 --> 00:13:13,366 Where not a lot of light filters down 249 00:13:13,368 --> 00:13:15,168 And the ecosystems are kind of different. 250 00:13:15,170 --> 00:13:18,212 Below that, it's pitch black, 251 00:13:19,407 --> 00:13:22,375 And you get into alien worlds like something out of space, 252 00:13:22,377 --> 00:13:25,512 But they're happening right here below the ocean. 253 00:13:26,473 --> 00:13:28,814 - The creatures that live down there 254 00:13:28,816 --> 00:13:32,293 Sound like creatures of darkness, vampire squid, 255 00:13:32,295 --> 00:13:34,854 Zombie worms, goblin sharks. 256 00:13:34,856 --> 00:13:37,707 - One of my favorites is the dragon fish. 257 00:13:37,709 --> 00:13:39,024 And the coolest thing about them 258 00:13:39,026 --> 00:13:41,027 Is that because it's so dark down there, 259 00:13:41,029 --> 00:13:42,779 They don't really use their eyes that much, 260 00:13:42,781 --> 00:13:45,565 But they've evolved to use bioluminescence. 261 00:13:45,567 --> 00:13:48,075 And so along their face and their jaw, 262 00:13:48,077 --> 00:13:49,994 They have these little spots 263 00:13:49,996 --> 00:13:51,137 That light up in different colors. 264 00:13:51,139 --> 00:13:53,156 And that actually attracts smaller fish, 265 00:13:53,158 --> 00:13:55,324 Which when they approach the mouth of that animal, 266 00:13:55,326 --> 00:13:56,334 Become a meal. 267 00:13:58,630 --> 00:14:01,338 To say the trench's temperatures fluctuate 268 00:14:01,340 --> 00:14:02,899 Is an understatement. 269 00:14:02,901 --> 00:14:05,492 It can range anywhere from a chilly 34 270 00:14:05,494 --> 00:14:08,754 To a scalding 700 degrees fahrenheit. 271 00:14:08,756 --> 00:14:09,722 - At those depths, 272 00:14:09,724 --> 00:14:12,425 There are also vents into the earth's crust 273 00:14:12,427 --> 00:14:14,911 That release boiling hot water. 274 00:14:15,671 --> 00:14:18,064 And believe it or not, there are actually creatures 275 00:14:18,066 --> 00:14:19,248 That are also evolved 276 00:14:19,250 --> 00:14:22,402 To survive in those extreme conditions as well. 277 00:14:23,387 --> 00:14:25,446 - I'd say that the coolest thing about the trench 278 00:14:25,448 --> 00:14:28,782 Is that it still remains largely unexplored. 279 00:14:28,784 --> 00:14:31,518 We've landed more people on the surface of the moon 280 00:14:31,520 --> 00:14:34,355 Than we have in the depths of the mariana trench. 281 00:14:34,357 --> 00:14:36,949 So there is so much more there to find. 282 00:14:36,951 --> 00:14:39,276 There are more surprises to come, 283 00:14:39,954 --> 00:14:42,672 And more evil, deadly creatures to discover. 284 00:14:45,777 --> 00:14:49,445 - Just off the coast of japan dwells a creature legend calls 285 00:14:49,447 --> 00:14:51,973 Both evil and deadly, 286 00:14:51,975 --> 00:14:53,516 One that lies hidden 287 00:14:53,518 --> 00:14:56,895 Deep beneath these treacherous waters. 288 00:15:02,176 --> 00:15:04,644 - There's this area of the pacific ocean 289 00:15:04,646 --> 00:15:06,387 That's between japan, taiwan, 290 00:15:06,389 --> 00:15:09,590 And yap island that could give the bermuda triangle 291 00:15:09,592 --> 00:15:10,758 A run for its money. 292 00:15:10,760 --> 00:15:12,601 It's called the devil's sea, 293 00:15:12,603 --> 00:15:16,039 And it has a ton of shipwrecks and disappearances, 294 00:15:16,924 --> 00:15:18,941 but according to chinese legend, 295 00:15:18,943 --> 00:15:20,859 It's not the ocean that's to blame. 296 00:15:20,861 --> 00:15:23,329 - 3000 years ago, chinese sailors tell stories 297 00:15:23,331 --> 00:15:27,608 Of this huge undersea dragon pulling ships underwater 298 00:15:27,610 --> 00:15:28,776 And feasting on their crews, 299 00:15:28,778 --> 00:15:31,012 Which is how the area gets its other name, 300 00:15:31,014 --> 00:15:32,722 The dragon's triangle. 301 00:15:33,558 --> 00:15:35,274 The dragon's triangle continues 302 00:15:35,276 --> 00:15:37,644 To claim countless victims over the years, 303 00:15:37,646 --> 00:15:41,931 Including a hoard of fearsome 13th century warriors. 304 00:15:41,933 --> 00:15:44,450 - The conqueror, kublai khan, 305 00:15:44,452 --> 00:15:48,171 Who is the grandson of genghis khan, 306 00:15:48,173 --> 00:15:51,031 Decides to invade japan. 307 00:15:51,033 --> 00:15:52,307 And according to records, 308 00:15:52,309 --> 00:15:56,712 Lost 40,000 sailors to shipwrecks 309 00:15:56,714 --> 00:16:00,032 And determined to discontinue his planned invasion 310 00:16:00,034 --> 00:16:03,794 And to stay away from the dragon's triangle. 311 00:16:03,796 --> 00:16:06,381 The place is considered too dangerous. 312 00:16:09,377 --> 00:16:12,570 So what actually destroys kahn's massive armies? 313 00:16:12,572 --> 00:16:16,015 Some say a typhoon, others say the gods, 314 00:16:16,017 --> 00:16:19,185 But khan himself thinks something different. 315 00:16:19,187 --> 00:16:21,570 - Kublai khan and and his advisors believed 316 00:16:21,572 --> 00:16:24,573 That their navy was swallowed by a sea dragon. 317 00:16:24,575 --> 00:16:26,967 Even one of history's most fearless warriors 318 00:16:26,969 --> 00:16:29,278 Was rattled by these waters. 319 00:16:30,256 --> 00:16:32,998 The legend endures well into the 20th century, 320 00:16:33,000 --> 00:16:37,203 Galvanized by an eyewitness account during world war ii. 321 00:16:38,748 --> 00:16:42,959 - It's now 1944, and in the heat of a naval aerial battle, 322 00:16:42,961 --> 00:16:45,502 Japanese airman, toshiaki lang, 323 00:16:45,504 --> 00:16:47,213 Swears, as he looks down, 324 00:16:47,215 --> 00:16:50,733 That he sees the loch ness monster-like head 325 00:16:50,735 --> 00:16:52,552 Of a giant sea serpent. 326 00:16:53,488 --> 00:16:57,681 In his after action report, toshiaki says to his superiors 327 00:16:57,683 --> 00:17:01,310 That the beast was at least 150 feet long 328 00:17:01,312 --> 00:17:04,463 And used giant triangular wings to paddle 329 00:17:05,025 --> 00:17:07,266 Its way through the tumultuous seas. 330 00:17:08,419 --> 00:17:10,194 - He's pretty indignant about this, 331 00:17:10,196 --> 00:17:12,388 Because when he mentions it, 332 00:17:12,390 --> 00:17:14,440 People think, "have you been drinking a little bit? 333 00:17:14,442 --> 00:17:16,592 Or maybe you're mistaking it for a submarine." 334 00:17:16,594 --> 00:17:19,203 And he's like, "I know exactly what I saw. 335 00:17:19,205 --> 00:17:22,098 It's 150 feet long, this thing is a monster, 336 00:17:22,100 --> 00:17:24,784 It's a dragon in the water." 337 00:17:25,970 --> 00:17:27,736 the pilot's warning is brushed aside. 338 00:17:27,738 --> 00:17:30,539 But after nine more ships vanish in the devil's sea 339 00:17:30,541 --> 00:17:33,776 Between 1946 and 1951, 340 00:17:33,778 --> 00:17:34,794 The japanese government 341 00:17:34,796 --> 00:17:36,112 Can no longer ignore 342 00:17:36,114 --> 00:17:37,630 That what's happening 343 00:17:37,632 --> 00:17:39,515 Here could be fishy. 344 00:17:41,068 --> 00:17:44,653 - In 1951, the maritime safety agency assigns 345 00:17:44,655 --> 00:17:46,814 The task to a research vessel known 346 00:17:46,816 --> 00:17:48,724 As the kaiyo-maru no. 5. 347 00:17:48,726 --> 00:17:49,975 And what happens? 348 00:17:49,977 --> 00:17:52,886 The ship investigating the disappearances disappears. 349 00:17:52,888 --> 00:17:56,157 All 31 crew members are lost, gone. 350 00:17:57,068 --> 00:17:58,676 - So the japanese government decides 351 00:17:58,678 --> 00:18:02,079 That maybe investigating this is not the best thing to do. 352 00:18:02,081 --> 00:18:04,473 So what they do is they just issue this thing called 353 00:18:04,475 --> 00:18:06,659 The notice to mariners and they say, okay, 354 00:18:06,661 --> 00:18:08,861 Just officially avoid this area, 355 00:18:08,863 --> 00:18:10,338 'cause bad things happen. 356 00:18:12,675 --> 00:18:15,902 Even with the warning, ships continue to vanish. 357 00:18:15,904 --> 00:18:19,004 Some say as many as a thousand since 1951. 358 00:18:19,006 --> 00:18:20,522 - One thing seems certain, 359 00:18:20,524 --> 00:18:23,993 No matter what you think causes these problems, 360 00:18:23,995 --> 00:18:26,362 Whether it's rogue super waves, 361 00:18:26,364 --> 00:18:28,648 Or underwater volcanic activity, 362 00:18:28,650 --> 00:18:30,866 Or here's another favorite theory, methane gas eruptions, 363 00:18:30,868 --> 00:18:32,201 Or here's another favorite theory, methane gas eruptions, 364 00:18:32,261 --> 00:18:35,112 Something weird is happening in the dragon's triangle. 365 00:18:35,114 --> 00:18:37,234 Something weird is happening in the dragon's triangle. 366 00:18:40,127 --> 00:18:42,027 - If you know where to dig, all kinds of strange 367 00:18:42,029 --> 00:18:44,013 And interesting things can be uncovered, 368 00:18:44,015 --> 00:18:48,751 But sometimes it's the hole itself that's the mystery. 369 00:18:51,588 --> 00:18:54,357 - In the early 2000s, geologist heinrich frank 370 00:18:54,359 --> 00:18:58,069 Is driving in novo hamburgo in southern brazil. 371 00:18:58,071 --> 00:19:00,263 And he passes a construction site, 372 00:19:00,265 --> 00:19:03,307 And something catches his eye, something weird. 373 00:19:04,302 --> 00:19:08,521 He sees this tunnel. It's a hole about 15 feet wide. 374 00:19:08,523 --> 00:19:11,290 This is a Friday afternoon and he has to keep driving. 375 00:19:11,292 --> 00:19:14,318 But frank thinks about this all weekend. 376 00:19:15,088 --> 00:19:16,028 I mean, what is it? 377 00:19:16,030 --> 00:19:17,179 Is it a tunnel? 378 00:19:17,181 --> 00:19:18,580 Who made it? 379 00:19:18,582 --> 00:19:19,489 Where does it go? 380 00:19:19,491 --> 00:19:20,616 Why is it there? 381 00:19:21,769 --> 00:19:23,152 - He can't stop thinking about it. 382 00:19:23,154 --> 00:19:24,154 So a few weeks later, 383 00:19:24,338 --> 00:19:25,370 He goes back to the 384 00:19:25,372 --> 00:19:26,488 Site to investigate. 385 00:19:26,490 --> 00:19:29,492 He goes up to this tunnel that is leading underground 386 00:19:29,494 --> 00:19:34,821 And he starts walking into this giant 15 foot hole. 387 00:19:35,499 --> 00:19:37,090 - And right away he notices something weird. 388 00:19:37,092 --> 00:19:38,401 Remember, he's a geologist, 389 00:19:38,403 --> 00:19:41,119 He knows that earth shaped by water 390 00:19:41,121 --> 00:19:44,414 Is not gonna create a perfectly round opening. 391 00:19:44,416 --> 00:19:46,409 So this is an odd thing. 392 00:19:46,411 --> 00:19:49,061 - As he walks into this tunnel, the deeper he gets, 393 00:19:49,063 --> 00:19:50,446 He looks up at the ceiling, 394 00:19:50,448 --> 00:19:54,508 And he's noticing these giant claw marks. 395 00:19:54,510 --> 00:19:55,568 Even as a geologist, 396 00:19:55,570 --> 00:19:58,528 Frank now understands the chilling reality. 397 00:19:58,530 --> 00:20:01,774 He's standing in the home of something very big 398 00:20:01,776 --> 00:20:03,033 And very deadly. 399 00:20:03,035 --> 00:20:05,928 - These look like the homes of giant jungle creatures. 400 00:20:05,930 --> 00:20:08,038 And frank wants to know what kind of creature 401 00:20:08,040 --> 00:20:10,115 Makes a tunnel this big? 402 00:20:10,117 --> 00:20:12,952 Local paleontologists are thrilled to share 403 00:20:12,954 --> 00:20:14,770 That these huge burrowed tunnels 404 00:20:14,772 --> 00:20:20,009 Are the work of giant prehistoric sloths. 405 00:20:20,786 --> 00:20:22,428 - When you think of a sloth today, 406 00:20:22,430 --> 00:20:26,182 You think of something that is slow and beyond adorable. 407 00:20:26,184 --> 00:20:28,392 But these prehistoric giant sloths, 408 00:20:28,394 --> 00:20:30,711 They put today's sloths to shame. 409 00:20:30,713 --> 00:20:32,638 - The extinct giant sloths all belong 410 00:20:32,640 --> 00:20:36,008 To the genus megatherium, which is an awesome word, 411 00:20:36,010 --> 00:20:39,828 That I think sounds like the name of a heavy metal band. 412 00:20:39,830 --> 00:20:40,862 These are huge animals. 413 00:20:40,864 --> 00:20:43,832 They can be 10 feet long and weigh 2000 pounds. 414 00:20:43,834 --> 00:20:44,817 That's a ton. 415 00:20:44,819 --> 00:20:48,703 And they have these huge, long, hooked claws. 416 00:20:48,705 --> 00:20:50,639 They're nine inches long. 417 00:20:50,641 --> 00:20:51,974 Think about your kitchen knives, 418 00:20:51,976 --> 00:20:54,234 Now imagine that being on the end of the hands 419 00:20:54,236 --> 00:20:56,145 Of these animals and them using it 420 00:20:56,147 --> 00:20:58,314 To pull tree branches down to their mouth. 421 00:20:58,316 --> 00:21:01,366 They can also use those claws as a form of defense. 422 00:21:01,368 --> 00:21:02,818 Turns out those same claws 423 00:21:02,820 --> 00:21:06,839 Are the perfect tool to dig giant burrows in the ground. 424 00:21:06,841 --> 00:21:08,890 - So frank, super curious guy, 425 00:21:08,892 --> 00:21:11,268 Starts using satellite imagery 426 00:21:11,270 --> 00:21:13,445 To map out these network of tunnels, 427 00:21:13,447 --> 00:21:16,673 And he finds out there's not just one, not just two, 428 00:21:16,675 --> 00:21:20,869 There are 1500 separate tunnels that are kind of snaking 429 00:21:20,871 --> 00:21:23,388 Through this southern brazilian area. 430 00:21:24,342 --> 00:21:28,577 I think it's incredible that these 2000-pound creatures 431 00:21:29,205 --> 00:21:30,471 That once roamed the earth, 432 00:21:30,473 --> 00:21:32,473 That there's still evidence of them, like, 433 00:21:32,475 --> 00:21:34,125 Next to a construction site. 434 00:21:34,669 --> 00:21:36,210 It's wild. 435 00:21:37,505 --> 00:21:39,972 - Created more than 10,000 years ago, 436 00:21:39,974 --> 00:21:41,782 Today these ancient tunnels feel 437 00:21:41,784 --> 00:21:44,026 More eerie than frightening. 438 00:21:44,028 --> 00:21:45,302 Now, that's not the case 439 00:21:45,304 --> 00:21:47,880 With a mysterious cave in the americas. 440 00:21:47,882 --> 00:21:52,226 Here it's not the size that matters, it's what's inside it. 441 00:21:55,547 --> 00:21:57,890 - In the jungles of yucatan, mexico, 442 00:21:58,550 --> 00:22:01,018 Near a place called kantemo village, 443 00:22:01,020 --> 00:22:04,413 There is a cave that could only be described 444 00:22:04,415 --> 00:22:05,614 As a living nightmare. 445 00:22:07,651 --> 00:22:10,310 - So you go into this cave, it's a 65-foot mouth, 446 00:22:10,312 --> 00:22:11,954 But it narrows a little bit. 447 00:22:11,956 --> 00:22:13,814 And once you get into this narrower part, 448 00:22:13,816 --> 00:22:17,593 There are things hanging from the roof of the cave. 449 00:22:17,595 --> 00:22:19,094 They kind of look like vines, 450 00:22:19,096 --> 00:22:21,671 But they're not vines, they're snakes. 451 00:22:22,950 --> 00:22:24,716 - It's the yellow-red rat snake. 452 00:22:24,718 --> 00:22:27,177 And there's this one population of them 453 00:22:27,179 --> 00:22:31,590 That have evolved to live only in this cave. 454 00:22:31,592 --> 00:22:33,592 - At night, when the bats leave, 455 00:22:33,594 --> 00:22:35,244 They leave in this giant drove. 456 00:22:35,246 --> 00:22:39,648 And the snakes see this opportunity as dinnertime. 457 00:22:41,285 --> 00:22:43,276 Tucked into the crevices of this cave, 458 00:22:43,278 --> 00:22:46,530 They'd open up their mouths and pretty much allow the bats 459 00:22:46,532 --> 00:22:50,651 To impale themselves on their fangs. 460 00:22:50,653 --> 00:22:53,512 It's easy picking, especially with the amount of bats 461 00:22:53,514 --> 00:22:55,856 That are in this cave. 462 00:22:56,934 --> 00:22:58,294 - And there are so many of the bats 463 00:22:59,120 --> 00:23:00,544 In this particular cave system 464 00:23:00,546 --> 00:23:02,379 That this population of snakes has learned 465 00:23:02,381 --> 00:23:04,881 That they don't ever need to leave the cave. 466 00:23:05,960 --> 00:23:07,718 - They're very aware of the time of day. 467 00:23:07,720 --> 00:23:09,311 They know when the bats are gonna be coming out, 468 00:23:09,313 --> 00:23:11,430 And they actually get themselves into position. 469 00:23:11,432 --> 00:23:12,631 So it just goes to show you 470 00:23:12,633 --> 00:23:15,817 That these are actually very intelligent creatures. 471 00:23:16,971 --> 00:23:19,655 Believe it or not, visitors are actually welcome 472 00:23:19,657 --> 00:23:22,358 To tour this dangling hall of terrors. 473 00:23:24,245 --> 00:23:26,570 - I've been to the cave of the hanging snakes 474 00:23:26,572 --> 00:23:28,830 And it is one of the eeriest 475 00:23:28,832 --> 00:23:30,916 Places I've ever been to. 476 00:23:30,918 --> 00:23:32,760 The ceilings are very low, 477 00:23:32,762 --> 00:23:35,837 And as a human inside that cave, you have to crawl in 478 00:23:35,839 --> 00:23:38,248 With your head nearly touching the ceiling, 479 00:23:38,250 --> 00:23:42,594 And then hundreds, hundreds of snakes coming out 480 00:23:42,596 --> 00:23:44,672 Of the ceiling to catch little bats, 481 00:23:44,674 --> 00:23:50,302 Grab them with their mouths, and back up into the ceiling. 482 00:23:51,221 --> 00:23:55,757 It is the definition of a living horror movie. 483 00:23:59,138 --> 00:24:00,246 - No, thank you. 484 00:24:00,248 --> 00:24:01,230 This is my nightmare. 485 00:24:01,232 --> 00:24:03,089 This is my nightmare, cave with the hanging snakes. 486 00:24:03,091 --> 00:24:04,572 This is my nightmare, cave with the hanging snakes. 487 00:24:04,652 --> 00:24:07,528 That's one cave you won't find me hanging around. 488 00:24:10,441 --> 00:24:14,160 - Sometimes what hides beneath is neither deadly nor evil, 489 00:24:14,162 --> 00:24:17,163 But rather a glimpse into a mysterious past. 490 00:24:17,165 --> 00:24:21,216 Take this astonishing find by a miner in 2022. 491 00:24:24,564 --> 00:24:26,722 - In the klondike gold fields of 492 00:24:26,724 --> 00:24:28,715 The yukon territory of canada, 493 00:24:28,717 --> 00:24:29,899 You have a man by the 494 00:24:29,901 --> 00:24:30,901 Name of travis delawski. 495 00:24:31,887 --> 00:24:32,886 He's working in a trench 496 00:24:32,888 --> 00:24:36,081 And in this trench you have this creek 497 00:24:36,083 --> 00:24:39,401 That is covered with permafrost that's sitting on the top layer. 498 00:24:40,871 --> 00:24:43,564 - As travis is chipping away at the rock hard ice, 499 00:24:43,566 --> 00:24:46,483 Suddenly a crevice opens. 500 00:24:47,427 --> 00:24:49,445 - Inside, he discovers something strange, 501 00:24:49,447 --> 00:24:50,863 Some kind of creature. 502 00:24:51,615 --> 00:24:53,232 He sees a short tail 503 00:24:53,234 --> 00:24:57,219 And at first he thinks it's a mummified buffalo calf. 504 00:24:57,221 --> 00:24:59,646 But as travis looks more closely, 505 00:25:00,416 --> 00:25:04,001 They see something a buffalo doesn't have, a trunk. 506 00:25:05,963 --> 00:25:07,921 - So he immediately calls his boss to try 507 00:25:07,923 --> 00:25:09,882 And figure out what the hell he just came across. 508 00:25:09,884 --> 00:25:12,918 So the boss comes down to see what travis actually find, 509 00:25:12,920 --> 00:25:14,720 And he's shocked. 510 00:25:15,664 --> 00:25:19,849 He sees fur and it looks like it died maybe an hour ago. 511 00:25:19,851 --> 00:25:21,351 So he immediately yells out 512 00:25:21,353 --> 00:25:24,096 For everyone in the trench to stop working. 513 00:25:24,098 --> 00:25:25,597 And he takes some photos with his phone, 514 00:25:25,599 --> 00:25:27,566 And then he calls some local paleontologists 515 00:25:27,568 --> 00:25:30,102 To come in and inspect the scene. 516 00:25:30,104 --> 00:25:31,386 When they see the photos, 517 00:25:31,388 --> 00:25:33,380 They confirm the unbelievable. 518 00:25:34,258 --> 00:25:38,035 It's a baby woolly mammoth straight out of the ice age. 519 00:25:40,464 --> 00:25:41,663 - And they're all hands on deck, 520 00:25:41,665 --> 00:25:42,614 And they have to act immediately, 521 00:25:42,616 --> 00:25:44,750 Because once this woolly mammoth baby is exposed 522 00:25:44,752 --> 00:25:47,469 To the elements, it can start to deteriorate. 523 00:25:47,471 --> 00:25:48,637 And there's a storm coming 524 00:25:48,639 --> 00:25:51,173 That is gonna totally flood out the trench. 525 00:25:52,635 --> 00:25:54,075 With moments to spare, 526 00:25:54,077 --> 00:25:56,745 They manage to get the woolly mammoth baby out. 527 00:25:56,747 --> 00:25:58,297 They carefully wrap it in a tarp, 528 00:25:58,299 --> 00:26:00,640 And then they transport it to a location 529 00:26:00,642 --> 00:26:02,451 Where they actually have a ceremony 530 00:26:02,453 --> 00:26:04,561 With local indigenous elders. 531 00:26:06,898 --> 00:26:10,125 Gathered in a circle, the tribal elders offer a blessing 532 00:26:10,127 --> 00:26:12,235 And name the mammoth nun cho ga, 533 00:26:12,237 --> 00:26:15,990 Which means big baby animal in their native haen language. 534 00:26:17,484 --> 00:26:18,650 With the clock ticking, 535 00:26:18,652 --> 00:26:21,503 Scientists must examine the baby mammoth quickly 536 00:26:21,505 --> 00:26:23,998 Before getting it into a freezer for preservation. 537 00:26:24,000 --> 00:26:27,492 - But they're able to determine that nun cho ga is a female, 538 00:26:27,494 --> 00:26:29,753 And she was only about a month old when she died. 539 00:26:29,755 --> 00:26:33,098 They estimate that she died around 30,000 years ago. 540 00:26:33,100 --> 00:26:35,651 - The geology of where the mammoth is found indicates 541 00:26:35,653 --> 00:26:37,636 That she was walking across the grassland, 542 00:26:37,638 --> 00:26:39,321 Strayed from her mother, 543 00:26:39,323 --> 00:26:40,413 And then she fell, 544 00:26:40,415 --> 00:26:41,581 Gets stuck in the mud, 545 00:26:41,583 --> 00:26:45,394 And is preserved under tons of permafrost to be found 546 00:26:45,396 --> 00:26:48,029 By us thousands of years later. 547 00:26:48,031 --> 00:26:49,431 Incredibly, they find a piece 548 00:26:49,433 --> 00:26:52,008 Of grass in the woolly mammoth's stomach. 549 00:26:52,837 --> 00:26:57,097 Fortunately, this means nun cho ga died quickly. 550 00:26:57,099 --> 00:26:59,950 - While it's sad that nun cho ga only lived about a month, 551 00:26:59,952 --> 00:27:02,861 Her discovery today is really incredible. 552 00:27:02,863 --> 00:27:07,048 - This is the most intact mummified ice age animal 553 00:27:07,050 --> 00:27:10,051 Found in north america, if not the world. 554 00:27:12,590 --> 00:27:15,524 - While a 30,000-year-old creature trapped beneath the ice 555 00:27:15,526 --> 00:27:18,785 Might be fascinating, something terrifying lies 556 00:27:18,787 --> 00:27:21,471 In an otherwise enchanting setting, 557 00:27:21,473 --> 00:27:25,892 Something that has locals afraid to go anywhere near it. 558 00:27:29,773 --> 00:27:32,991 - This place is 25 miles south of merida 559 00:27:32,993 --> 00:27:35,652 In an area surrounded by dense jungle. 560 00:27:35,654 --> 00:27:36,828 There's this little opening, 561 00:27:36,830 --> 00:27:38,822 This hole, which enters into a void, 562 00:27:38,824 --> 00:27:42,976 And inside this void is a drop into an abyss 563 00:27:42,978 --> 00:27:45,086 Of watery darkness. 564 00:27:45,088 --> 00:27:46,813 It's called sac uayum, 565 00:27:46,815 --> 00:27:50,742 And it's one of at least 40 cenotes, or underwater caves, 566 00:27:50,744 --> 00:27:53,328 That lie beneath this mysterious region. 567 00:27:53,330 --> 00:27:56,431 They collect so much naturally filtered groundwater 568 00:27:56,433 --> 00:27:58,583 That in the 13th century the mayans decide 569 00:27:58,585 --> 00:28:01,920 To build their new capital here, mayapan. 570 00:28:03,524 --> 00:28:06,742 - This walled city of like 17,000 people thrives 571 00:28:06,744 --> 00:28:11,263 For centuries, and it has dozens of life sustaining cenotes 572 00:28:11,265 --> 00:28:12,864 Inside the city. 573 00:28:14,084 --> 00:28:17,694 - Most of them are within the walls of mayapan, 574 00:28:17,696 --> 00:28:18,636 Except for one, 575 00:28:18,638 --> 00:28:22,223 That for some reason the walls zigzagged around 576 00:28:22,225 --> 00:28:24,100 And moved around to avoid having 577 00:28:24,102 --> 00:28:26,619 That one cenote inside 578 00:28:26,621 --> 00:28:29,289 Their city, sac uayum. 579 00:28:32,035 --> 00:28:36,379 - They believe sac uayum is a sacred place, 580 00:28:36,381 --> 00:28:39,124 A pathway to the underworld. 581 00:28:40,444 --> 00:28:42,702 The maya also believed that this place is guarded 582 00:28:42,704 --> 00:28:47,015 By a feather covered serpent with a horse's head, 583 00:28:47,017 --> 00:28:50,060 Who will snatch children who get too close. 584 00:28:52,932 --> 00:28:55,407 - I've personally visited mayapan, 585 00:28:55,409 --> 00:28:57,543 And wanted to go to sac uayum, 586 00:28:57,545 --> 00:29:03,131 And every villager I have met have told me their story, 587 00:29:03,992 --> 00:29:07,803 That they have seen a snake-like creature that flies 588 00:29:07,805 --> 00:29:11,247 And has a horse head that is guarding that place, 589 00:29:11,249 --> 00:29:14,752 And I should not get anywhere close to sac uayum. 590 00:29:15,996 --> 00:29:17,271 Is it possible 591 00:29:17,273 --> 00:29:20,524 That sac uayum's legendary feathered serpent is real, 592 00:29:20,526 --> 00:29:22,050 Or at least once was? 593 00:29:22,862 --> 00:29:25,762 In August of 2013, archaeologists, 594 00:29:25,764 --> 00:29:28,807 Led by dr. Bradley russell attempt to find out. 595 00:29:28,809 --> 00:29:30,375 - You can imagine that getting in 596 00:29:30,377 --> 00:29:33,978 And out of a sinkhole that has a 40-foot drop 597 00:29:33,980 --> 00:29:35,196 Is quite difficult. 598 00:29:35,198 --> 00:29:37,674 So they basically have to be lowered down into the water 599 00:29:37,676 --> 00:29:39,284 And then they can start their dive. 600 00:29:39,286 --> 00:29:41,336 But remember, if something goes wrong, 601 00:29:41,338 --> 00:29:44,606 You gotta be hoisted back out that 40 feet. 602 00:29:47,011 --> 00:29:48,284 You're being slowly lowered, 603 00:29:48,286 --> 00:29:50,453 Now you're in this dark, murky water, 604 00:29:50,455 --> 00:29:53,214 And you know you have to actually penetrate through 605 00:29:53,216 --> 00:29:55,124 And go into a cave. 606 00:29:57,037 --> 00:29:58,870 - As bradley and his team scuba 607 00:29:58,872 --> 00:30:00,038 Through these tight passages, 608 00:30:00,040 --> 00:30:02,615 Their tanks are hitting the limestone, 609 00:30:02,617 --> 00:30:04,176 I mean, it's so tight. 610 00:30:05,696 --> 00:30:09,305 That's where they discover human skeletons. 611 00:30:10,734 --> 00:30:12,817 Could these be ancient victims 612 00:30:12,819 --> 00:30:15,311 Of the notorious serpent monster? 613 00:30:15,313 --> 00:30:19,966 - There are just dozens of skeletons of men 614 00:30:19,968 --> 00:30:22,318 And women in this place. 615 00:30:24,806 --> 00:30:26,198 In mayan civilization, 616 00:30:26,200 --> 00:30:30,218 We do not have evidence of mass graves or mass burials. 617 00:30:30,220 --> 00:30:33,563 These people seem to be in the prime of life. 618 00:30:33,565 --> 00:30:35,924 There's nothing that shows, for example, 619 00:30:35,926 --> 00:30:39,694 Damage through warfare to the skeletons. 620 00:30:39,696 --> 00:30:40,845 And there's nothing that suggests 621 00:30:40,847 --> 00:30:43,682 That they're victims of human sacrifice. 622 00:30:46,928 --> 00:30:50,572 So the fact that in this cenote there are dozens 623 00:30:50,574 --> 00:30:55,760 And dozens of human remains makes it a bit of a mystery. 624 00:30:56,564 --> 00:31:00,524 We don't know why these people ended up in this cenote. 625 00:31:03,270 --> 00:31:06,238 - Whatever science might eventually uncover here, 626 00:31:06,240 --> 00:31:08,407 Many of those who live by sac uayum believe 627 00:31:08,409 --> 00:31:09,091 Many of those who live by sac uayum believe 628 00:31:09,276 --> 00:31:10,276 The legends are true, 629 00:31:10,411 --> 00:31:14,295 And that this mysterious pool is indeed an entrance 630 00:31:14,297 --> 00:31:15,664 To the underworld. 631 00:31:18,360 --> 00:31:20,693 - The city of paris is known for romance, 632 00:31:20,695 --> 00:31:22,362 Art, and cafes. 633 00:31:22,364 --> 00:31:24,364 But below its charming street lies 634 00:31:24,366 --> 00:31:26,091 Something quite different, 635 00:31:26,093 --> 00:31:29,761 Miles of tunnels stuffed with human remains. 636 00:31:31,699 --> 00:31:33,598 - The tunnels themselves are the result 637 00:31:33,600 --> 00:31:37,603 Of limestone quarries that are dug around the 13th century. 638 00:31:37,605 --> 00:31:39,788 But quarrying was unregulated. 639 00:31:39,790 --> 00:31:42,190 People just dug where they wanted to 640 00:31:42,567 --> 00:31:44,251 And then when the limestone ran out, 641 00:31:44,253 --> 00:31:45,736 The tunnel was abandoned. 642 00:31:46,964 --> 00:31:48,404 So by the 18th century, 643 00:31:48,406 --> 00:31:51,399 This part of paris was like swiss cheese. 644 00:31:52,252 --> 00:31:54,368 By 1780, the city of paris is left 645 00:31:54,370 --> 00:31:57,164 With nearly 200 miles of abandoned mining tunnels 646 00:31:57,166 --> 00:31:58,498 Beneath its streets, 647 00:31:59,335 --> 00:32:02,902 Until they find a dark, new purpose. 648 00:32:04,214 --> 00:32:08,342 - Parisian cemeteries are literally overflowing. 649 00:32:10,471 --> 00:32:13,639 Graves are buried on top of graves on top of graves 650 00:32:13,641 --> 00:32:15,182 On top of graves. 651 00:32:16,084 --> 00:32:19,519 - It gets so bad that a building next 652 00:32:19,521 --> 00:32:23,649 To the cemetery has its basement wall completely collapse, 653 00:32:23,651 --> 00:32:25,317 Because there are so many bodies 654 00:32:25,319 --> 00:32:27,335 On the other side of the wall. 655 00:32:27,762 --> 00:32:29,112 - The paris city officials realize 656 00:32:29,114 --> 00:32:29,988 Something has to be done. 657 00:32:29,990 --> 00:32:31,948 They think, what we really need 658 00:32:31,950 --> 00:32:33,766 Is a good underground storage area, 659 00:32:33,768 --> 00:32:36,870 And we have one, all of those limestone tunnels. 660 00:32:36,872 --> 00:32:39,497 - So in 1786, thus commences 661 00:32:39,499 --> 00:32:44,953 The most macabre public works project of all time. 662 00:32:49,676 --> 00:32:50,783 Wagon upon wagon 663 00:32:50,785 --> 00:32:55,113 Upon wagon cloaked in black cloths are shipping bones 664 00:32:55,115 --> 00:32:58,867 From the cemetery down into the disused mines 665 00:32:58,869 --> 00:33:00,793 To create the paris catacombs. 666 00:33:00,795 --> 00:33:04,222 We're talking about millions upon millions of human remains. 667 00:33:05,209 --> 00:33:08,376 Today, visitors can tour this bizarre display 668 00:33:08,378 --> 00:33:10,862 Of over 600 years of the dead. 669 00:33:11,839 --> 00:33:13,906 - There's an official door to the catacombs 670 00:33:13,908 --> 00:33:16,159 Where you can pay and you can go tour 671 00:33:16,161 --> 00:33:19,454 A certain small section of the catacombs. 672 00:33:21,074 --> 00:33:23,666 But not everyone sneaks down there to gawk 673 00:33:23,668 --> 00:33:25,227 At old bones. 674 00:33:25,229 --> 00:33:26,819 - The catacombs also plays host 675 00:33:26,821 --> 00:33:30,215 To a very interesting and amazing heist. 676 00:33:31,159 --> 00:33:34,553 A team of people start going down through the catacombs, 677 00:33:34,555 --> 00:33:36,588 Using the tunnel as a means of getting 678 00:33:36,590 --> 00:33:39,850 To a very fancy luxembourg apartment. 679 00:33:41,178 --> 00:33:44,763 They drill up 20 feet in order to get into this apartment. 680 00:33:44,765 --> 00:33:49,568 What's there are really expensive bottles of wine, 681 00:33:49,570 --> 00:33:54,214 Each bottle at least $1,000, and they steal 300 of them, 682 00:33:54,216 --> 00:33:57,259 And disappear back down into the catacombs, 683 00:33:57,261 --> 00:33:59,519 Just melting into the darkness. 684 00:33:59,521 --> 00:34:01,747 The wine thieves are never found, 685 00:34:01,749 --> 00:34:03,998 But it's not even the strangest secret use 686 00:34:04,000 --> 00:34:05,751 Of this underground labyrinth. 687 00:34:06,803 --> 00:34:08,694 - The paris police department 688 00:34:08,696 --> 00:34:11,723 Has a unit to patrol these tunnels, 689 00:34:11,725 --> 00:34:13,366 And they regularly go down there to train. 690 00:34:13,368 --> 00:34:15,310 They're going along this dark tunnel 691 00:34:15,312 --> 00:34:17,720 And they suddenly see a sign that says, 692 00:34:17,722 --> 00:34:19,055 Building site, no access. 693 00:34:19,057 --> 00:34:21,299 And they haven't been informed of any kind 694 00:34:21,301 --> 00:34:24,019 Of city construction project happening underground. 695 00:34:24,021 --> 00:34:27,455 So they push through this tarp to find out what's beyond. 696 00:34:27,457 --> 00:34:31,175 - They lift the tarp away to find a security camera, 697 00:34:31,920 --> 00:34:34,554 And suddenly dogs begin barking from everywhere. 698 00:34:35,698 --> 00:34:37,181 They don't turn out to be real dogs. 699 00:34:37,183 --> 00:34:40,243 It's pumped through speakers to frighten people away. 700 00:34:40,245 --> 00:34:42,987 But that makes it even more intriguing. 701 00:34:42,989 --> 00:34:45,974 Who is trying to keep us out of this space? 702 00:34:45,976 --> 00:34:47,793 What they find is truly bizarre, 703 00:34:47,795 --> 00:34:52,255 Even for catacomb police, a movie theater. 704 00:34:54,409 --> 00:34:56,926 - Not only that, this movie theater has attached 705 00:34:56,928 --> 00:35:00,772 To it a fully-featured restaurant and bar. 706 00:35:00,774 --> 00:35:03,658 Not only that, it has telephone lines. 707 00:35:03,660 --> 00:35:07,495 So that means someone knows the reservation number. 708 00:35:07,497 --> 00:35:08,605 They're like, "hi, secret bar?" 709 00:35:08,607 --> 00:35:10,081 They're like, "yeah?" 710 00:35:10,083 --> 00:35:10,999 Like, "table for four?" 711 00:35:11,001 --> 00:35:12,167 "yeah." 712 00:35:12,169 --> 00:35:14,869 this underground theater is obviously illegal. 713 00:35:14,871 --> 00:35:17,638 But when police return three days later, 714 00:35:17,640 --> 00:35:19,699 They get another surprise. 715 00:35:20,843 --> 00:35:22,927 - They come back, everything's removed, 716 00:35:22,929 --> 00:35:25,914 And there's a sign that says do not try to find us. 717 00:35:27,217 --> 00:35:29,284 - A photographer named patrick alk, 718 00:35:29,286 --> 00:35:31,169 Whose whole thing is to document 719 00:35:31,171 --> 00:35:33,388 The underground exploration movement. 720 00:35:33,390 --> 00:35:36,299 Is disappointed that the movie theater got busted, 721 00:35:36,301 --> 00:35:37,550 But he says, "you know, 722 00:35:37,552 --> 00:35:40,345 No problem, there are dozens more where this came from. 723 00:35:40,347 --> 00:35:43,623 You guys have no idea what's down there." 724 00:35:47,829 --> 00:35:49,829 - Finding unusual things in your basement 725 00:35:49,831 --> 00:35:51,964 Is fairly common for most people. 726 00:35:51,966 --> 00:35:56,444 But what one man finds in his home in turkey, unbelievable. 727 00:35:58,365 --> 00:36:02,475 - In 1963 in the turkish town of derinkuyu 728 00:36:02,477 --> 00:36:05,494 A man is doing a home improvement project. 729 00:36:05,496 --> 00:36:07,622 Now, most of us who do this kind of diy stuff, 730 00:36:07,624 --> 00:36:10,525 You expect to find old stuff in the walls, 731 00:36:10,527 --> 00:36:12,501 You know, old photos and maybe some jewelry. 732 00:36:12,503 --> 00:36:13,903 Well, this guy takes his sledgehammer 733 00:36:13,905 --> 00:36:15,254 And he hits the wall 734 00:36:15,256 --> 00:36:17,376 And he hits it again and again, and he breaks through. 735 00:36:20,737 --> 00:36:23,388 What he finds is a passageway, 736 00:36:25,559 --> 00:36:27,608 Which, when he crawls into it, 737 00:36:28,478 --> 00:36:32,280 Leads to another tunnel and another tunnel beyond that. 738 00:36:33,600 --> 00:36:35,091 - And the tunnel goes on a little bit longer, 739 00:36:35,093 --> 00:36:38,619 And a little bit longer, and then opens into chambers, 740 00:36:39,322 --> 00:36:42,373 And then more chambers and then more tunnels. 741 00:36:42,375 --> 00:36:45,911 He's discovered an ancient subterranean city 742 00:36:45,913 --> 00:36:47,954 Right in his cellar wall 743 00:36:47,956 --> 00:36:50,448 All through the throw of a sledgehammer. 744 00:36:51,542 --> 00:36:54,302 It's the 2000-year- old lost city of derinkuyu, 745 00:36:54,304 --> 00:36:58,215 One of the largest subterranean towns in the world. 746 00:36:59,826 --> 00:37:02,944 - What he uncovers is absolutely unbelievable, 747 00:37:02,946 --> 00:37:07,223 A tunneled city that can house up to 20,000 people, 748 00:37:07,225 --> 00:37:10,201 Animals, livestock, grain stores. 749 00:37:10,203 --> 00:37:13,604 The first eight stories have ventilation shafts 750 00:37:13,606 --> 00:37:15,457 That ensure that fresh air circulates 751 00:37:15,459 --> 00:37:17,967 Through the entire subterranean city. 752 00:37:17,969 --> 00:37:20,069 - They've dug out troughs 753 00:37:20,071 --> 00:37:21,737 For the camels that are down there. 754 00:37:21,739 --> 00:37:25,200 They have large vats for the wine that they're fermenting. 755 00:37:25,202 --> 00:37:28,470 All of this is dug of the stone itself. 756 00:37:28,472 --> 00:37:30,455 It's very, very resourceful. 757 00:37:31,433 --> 00:37:35,335 But why build such an elaborate city underground? 758 00:37:36,246 --> 00:37:38,746 - The main purpose of this underground city 759 00:37:38,748 --> 00:37:40,598 Is for the people of derinkuyu 760 00:37:40,600 --> 00:37:43,501 To come in and hide from outside forces, 761 00:37:43,503 --> 00:37:47,472 From dangerous people who may have infiltrated the area. 762 00:37:48,258 --> 00:37:50,925 - One of the most amazing sites is there 763 00:37:50,927 --> 00:37:53,002 Are these huge millstones 764 00:37:53,004 --> 00:37:55,346 Which are in place still to this day. 765 00:37:55,348 --> 00:37:56,998 They have a round hole in the middle 766 00:37:57,000 --> 00:37:59,800 And you can roll this millstone into place, 767 00:37:59,802 --> 00:38:01,886 Which would then block the tunnel 768 00:38:01,888 --> 00:38:05,197 And stop the enemy from going any further. 769 00:38:05,199 --> 00:38:06,949 This defense system works so well, 770 00:38:06,951 --> 00:38:09,636 The city remains in use until 1923 771 00:38:09,638 --> 00:38:13,214 Before it's sealed up and nearly lost to history. 772 00:38:13,216 --> 00:38:16,484 Good thing for diy projects. 773 00:38:17,720 --> 00:38:19,187 - If you're just walking in one of these areas 774 00:38:19,189 --> 00:38:20,555 With one of these underground cities, 775 00:38:20,557 --> 00:38:21,755 Nothing looks different. 776 00:38:21,757 --> 00:38:24,967 I mean, it's just life as normal on the surface. 777 00:38:24,969 --> 00:38:26,218 Little do you realize 778 00:38:26,220 --> 00:38:29,714 That beneath your feet is an engineering marvel. 779 00:38:29,716 --> 00:38:32,050 Makes you wonder what unexpected things 780 00:38:32,052 --> 00:38:35,562 Could be on the other side of your own basement wall, 781 00:38:36,489 --> 00:38:39,073 Or in your own backyard. 782 00:38:40,243 --> 00:38:42,426 - In 1974, a plumber named rosendo cruz from alhambra, 783 00:38:42,428 --> 00:38:46,080 California, buys his wife a brand new ferrari dino 784 00:38:46,082 --> 00:38:47,382 For her birthday. 785 00:38:47,384 --> 00:38:50,385 She's so excited, she can't wait to take it out. 786 00:38:50,387 --> 00:38:52,661 They cruise on out to the brown derby 787 00:38:52,663 --> 00:38:55,590 To have a birthday dinner, have a wonderful time, 788 00:38:55,592 --> 00:38:59,852 Come outside the restaurant, and the ferrari is gone. 789 00:39:00,796 --> 00:39:03,322 - Police are never able to find the dino, 790 00:39:03,324 --> 00:39:05,266 And ultimately, it becomes a 791 00:39:05,268 --> 00:39:07,344 Cold case that's unsolved. 792 00:39:08,096 --> 00:39:10,221 - Four years later, 793 00:39:12,942 --> 00:39:15,743 You have a couple of boys playing in the backyard, 794 00:39:15,745 --> 00:39:17,353 And these boys decide, let's 795 00:39:17,355 --> 00:39:18,596 Dig up stuff in the backyard 796 00:39:18,598 --> 00:39:20,948 And see if we can find some buried treasure. 797 00:39:20,950 --> 00:39:24,026 And then their shovels start to make a clinking sound. 798 00:39:24,028 --> 00:39:26,028 No, did we hit a pipe? 799 00:39:26,030 --> 00:39:27,072 So they immediately run out 800 00:39:27,074 --> 00:39:29,440 And they flag down an la county sheriff's cruiser. 801 00:39:29,442 --> 00:39:31,534 - The policeman contacts the city, 802 00:39:31,536 --> 00:39:34,370 They bring out a bulldozer and begin to dig, 803 00:39:34,372 --> 00:39:37,248 And lo and behold, what do they excavate? 804 00:39:37,250 --> 00:39:42,379 A 1974 ferrari dino 246 gts, 805 00:39:43,364 --> 00:39:45,965 The same ferrari dino that was parked 806 00:39:45,967 --> 00:39:49,135 Outside the brown derby four years ago. 807 00:39:50,054 --> 00:39:51,295 But after a little more digging, 808 00:39:51,297 --> 00:39:53,965 They noticed something totally unexpected. 809 00:39:53,967 --> 00:39:55,992 - So when investigators uncover the car, 810 00:39:55,994 --> 00:39:57,235 They find that it's been 811 00:39:57,237 --> 00:39:58,469 Almost impeccably preserved. 812 00:39:58,471 --> 00:40:00,972 It's been wrapped in plastic, and tarp, 813 00:40:00,974 --> 00:40:04,409 And even blankets, and someone clearly wanted 814 00:40:04,411 --> 00:40:06,051 To maintain this car. 815 00:40:06,053 --> 00:40:08,246 - Another thing that helps preserve the vehicle 816 00:40:08,248 --> 00:40:10,998 Is that it's in southern california where it's dry. 817 00:40:11,000 --> 00:40:13,651 And during this time, there was actually a drought. 818 00:40:13,653 --> 00:40:16,487 So they basically made a ferrari mummy. 819 00:40:17,516 --> 00:40:20,875 No one was ever charged for the theft of the dino, 820 00:40:20,877 --> 00:40:22,785 Though theories abound as to who stole it 821 00:40:22,787 --> 00:40:24,354 And why it was left there. 822 00:40:24,356 --> 00:40:27,799 Maybe the thieves just forgot where they put it. 823 00:40:29,852 --> 00:40:31,785 But even after four years underground, 824 00:40:31,787 --> 00:40:35,765 This dino isn't destined to just be scrapped for parts. 825 00:40:36,542 --> 00:40:38,442 - Believe it or not, to this day, 826 00:40:38,444 --> 00:40:40,269 The dino still lives. 827 00:40:40,271 --> 00:40:43,539 After it was recovered, it was sold to a collector. 828 00:40:43,541 --> 00:40:44,699 He decided to keep as much 829 00:40:44,701 --> 00:40:47,034 Of the original materials as possible. 830 00:40:47,036 --> 00:40:48,853 It still has two of the original wheels, 831 00:40:48,855 --> 00:40:52,097 The original chrome, and today it sports 832 00:40:52,099 --> 00:40:55,693 A license plate that says, dug up. 833 00:40:59,166 --> 00:41:02,082 - Whether it's a perfectly preserved baby mammoth, 834 00:41:02,084 --> 00:41:06,612 Mysterious bones, or a vintage ferrari in mint condition, 835 00:41:06,614 --> 00:41:11,009 What lies beneath us is fascinating, terrifying, 836 00:41:11,011 --> 00:41:13,970 And sometimes, unbelievable. 837 00:41:14,050 --> 00:41:16,050 >>>>oakislandtk<<<<< www.opensubtitles.org 62411

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