Original subtitles

500 years ago, the Aztecs possessed

one of the greatest treasures the world has ever seen.

Word of this treasure attracted the attention

of the Spanish conquistadors.

But when they came for the gold,

it was already gone.

Hidden by Emperor Montezuma

in locations throughout what is now the American Southwest.

Now, three treasure hunting teams

all with different approaches

are closing in on what they believe

is the location of the lost Aztec gold.

This right here is definitely manmade activity.

The Dillmans are following a trail

blazed by the research of their grandfather.

I believe it's my destiny to find it for the family.

The Villescas are treasure seekers

descended from Spanish conquistadors.

They believe the Spanish found the gold...

- All right. Here we go. - And melted it into bars

hidden throughout the American Southwest.

If anybody's gonna find it, it's gonna be us.

And finally, the Hoaglands.

Fire in the hole!

They believe the treasure is hidden inside mines

along well known Aztec trade routes.

If anything happens, be ready to go.

Decades of searching.

That's old as hell.

Three different theories.

That's what I do. I go find stuff.

Which one of these teams will be proven right

and be the first to find

the lost gold of the Aztecs?

Other families go to Hawaii or go on other trips.

We don't do that. We go searching for treasure.

Dan Dillman, along with his wife Gina and son Derrick,

are continuing a 56-year family search

for the lost Aztec gold.

For as long as I can remember, since I was five or six years old,

you know, I was sitting at the kitchen table

of my uncles or my grandfather.

It was all about treasure. There were treasure magazines.

There were maps.

They just really opened my imagination.

Dan's grandfather Raymond Dillman

became obsessed with lost Aztec gold

after reading a 1964 magazine article

that detailed treasure discoveries in the Southwest.

Over the next 20 years,

he poured over hundreds of ancient maps and documents

searching for clues,

recording his theories on a series of tapes.

Then in 1982, a discovery.

Raymond unearthed the burial site

with Aztec pottery and tools

encouraging him that he was on the right track.

When my grandfather passed away in 1992,

he passed all of his research

on to my uncle Johnny and my uncle Paul.

And my uncle Paul recently passed away,

and of course it went on to me.

That's how I got everything.

That's why I'm the keeper of the records now.

Starting in 1428,

the Aztec empire extended across

what is now Central Mexico,

accumulating immense amounts of gold.

The empire was filled with treasure

until Montezuma had it hidden across the American Southwest.

- Hold on, guys. - For centuries, hundreds of treasure hunters

have continued to search for this lost gold.

In 1981, an Aztec gold bar worth nearly $140,000

was discovered in Mexico City,

giving Aztec treasure hunters hope.

But Raymond Dillman's research indicates

the bulk of the treasure is located in southwestern Utah.

Dan is following this research

to a spring in Cave Lakes Canyon

which may hide the entrance to where the treasure has been buried.

I'm convinced this is the location

that grandpa had left for us to investigate.

Seth, TJ.

Today's a big day.

I've got the divers and my team here.

Today might be the day that we uncover something big.

We got it all set up right now.

It's close. We're close to starting.

This is the cave rover. Okay, this is what the divers are gonna take in.

So as you can see, we're gonna be able to see whatever's happening in the water.

Based on his grandfather's research,

Dan believes that the Aztecs

may have dug a tunnel deep in this cave

to hide the treasure

and then flooded it to conceal the entrance.

- I believe this is a water trap. - Right.

It has the features of a water trap.

So the Aztecs would create these openings.

They would dam up these natural springs,

these water sources.

And as they would hide their treasures and artifacts,

they would then flood these caves afterwards.

Dan thinks that the Aztecs would've created a way

to either block or divert the water from a spring to flood the cave,

a spring that his grandfather believed is in Shadow Cave.

So I'm excited about today's dive

and what we may find.

But I'm definitely a little apprehensive

because of our previous experiences at Three Lakes.

In 2003,

the Dillman family, along with Lon Child,

explored another cave in this canyon known as Three Lakes,

but they stopped after their expedition was plagued by setbacks.

We've had equipment failure.

Every hose here is pissing water.

We've had barges sink on us.

We're sinking.

We've had divers experience their air being turned off underwater.

I didn't order F-16 fuel tanks.

Another day gone, man.

Yes, sir.

Now guided by his grandfather's research...

Dan needs to find evidence

that the spring was intentionally manipulated.

Can you guys... You know, make sure

you're lifting the camera up a little bit as well

so we make sure that we're getting full picture.

We'd like to see the floor.

Yes.

Can you guys turn the camera to the left please?

Kind of pause right where you are.

You know, where are you guys are at, as soon as you can,

follow it straight down.

If you look at this, we are at, like, 48, 49.

We're down to 42, and it's dropping.

Look at that.

So when we see a temperature drop like that,

it could be the indicator that we're getting close to the spring.

And so the idea that my grandfather said

is we're gonna find an opening,

possibly even where the spring is fed,

and that's where we would find

treasure, artifacts, and riches.

Look at that. Look at that.

- Yeah, almost straight down. - And what's that right there?

- Look at that? Do you see that? - Yeah.

- That doesn't look natural. - No.

If that was natural, you'd see those piles of rocks everywhere.

Do those look like individual slabs

stacked on each other, guys? Are you able to tell?

- It's not a natural rock formation. - No.

So these three slabs, from what I'm seeing on camera,

they look to be engineered.

And if that's true,

they could've been used to help dam off water

while the Aztecs built their water trap.

And there's definitely stuff pouring out of there.

Do you see all the sediment popping out of these rocks?

This looks like a spring to me, guys.

Look at this.

This could be the real deal.

- You guys see that? - Mm-hmm.

What is that?

Yeah, can you brush that off some more?

Look at that.

What is that?

Using research left by their grandfather,

the Dillman family and their team

have found something unusual

in a flooded cavern they call Shadow Cave.

What is that?

Proof that a human presence, possibly Aztec,

existed in this remote canyon in southwestern Utah.

- You guys see that? - Mm-hmm.

The location of the spring was exactly

where Dan's late grandfather Raymond predicted.

These stones get me excited.

You have to think to yourself, "This isn't natural."

Is there any way we can get that out of there?

I don't think so.

It was huge. It was, like, part of the bedrock.

Did that slab look manmade that had those carvings in it?

There's no way that that could just be natural.

It has to be manmade with those steps and then that carving we found.

Those slabs, at least on camera,

that stuff looks like it's been carved

and been placed there and cut out.

Yeah, they definitely look carved.

If these pillars were used to dam off the spring,

it could support Dan's theory

that the cave was intentionally flooded

to hide the treasure.

So were you guys able to tell which direction

that those lines were going?

- They were going about this way, right? - I'd say about right there.

- This way. - Yeah.

- So... - Actually straight due north.

- Straight up north. - Yep.

All right. So we've got a spring and we've got some work to do.

Let's regroup, let's get you out of the water,

and let's figure out what our next steps are.

- Roger. - All right.

I've got to look deeper into my grandfather's research,

and I need to see what's going on.

In northern New Mexico,

treasure hunters Gabriel Villescas and his father Ramon

are also chasing Montezuma's lost treasure.

- It's a rough road. - Yeah. I mean, we're out in the middle of nowhere.

Though father and son have built careers in construction,

they've also sought lost Aztec gold

for more than two decades

using a theory based on their own family history.

Our descendancy follows this long, long, long line

all the way to the late 1400s.

Related to conquistadors,

they've spent years researching manuscripts and maps

left by the Spanish invaders.

And it was the old way of writing, huh?

In 2020, they found what they think is a key document

left by conquistadors chasing Montezuma's warriors as they fled north.

The document has led them to their own theory about the treasure.

My father and I are not looking for Aztec gold.

We believe the Spanish conquistadors had already found it.

We believe they looted it, they melted it down,

they made their bars for transportation,

and they were stored, buried deep in the ground,

throughout New Mexico by the Spanish.

That's what we're looking for.

Gabriel's new map aligns with clues found in other documents,

ones they believe point to a possible location in Cuba, New Mexico.

Oh, this one right here says Tierra Chamusca.

Here's the Tierra Chamusca on this one also.

And also right here. Look.

Tierra Chamusca. Same thing.

Tierra Chamusca means "a burnt place."

It could be red rock.

Searching for the gold, I think that's just something

that just ignites a fire in me that just keeps on burning

that I can't even control myself.

Yeah, gold makes you do that.

Yeah. They call it gold fever.

I can't wait to hand you the first gold bar.

I'll take it.

After speaking to locals in Cuba, New Mexico,

Gabriel and Ramon have a new lead.

They're meeting with the relatives of a local man

who allegedly found a bar

of what could be melted Spanish gold.

Apparently a man named Johnny Segura

made have found some Spanish gold here in Cuba.

So we're meeting with a cousin of his,

and we're gonna try to find out any information

of where he might've searched for the gold.

We've heard some rumors, and we're very interested in a man named Johnny Segura.

- He's my cousin. - Crazy cousin Johnny?

Crazy Johnny? Is that what you guys call him?

Yeah, he was always telling all these stories about finding treasure.

He was always digging out there,

blowing things up with dynamite, looking for something.

So I guess that's where the whole Crazy Johnny thing came about,

- you know what I mean? - Yeah.

Yeah, for years, people around here have been saying that Johnny found gold.

Is it true?

Well, he showed me a bar of the gold, you know?

Just one single bar?

That's what he showed me.

So what did the bar of gold look like?

It wasn't like what you see in the movies, you know?

It was just real crudely made, you know?

Pockmarks on it, you know, and a sort of indented.

- Kinda thin. - Yeah.

It was common practice in the 16th century

for the Spanish to melt down any looted gold

to make it easier to transport.

But their methods were crude,

which left a characteristic pocked mark appearance.

The Spaniards never buried just one bar of gold.

So we believe that there's gonna be a mass quantity of gold buried out here.

Did Johnny say where he had found the gold?

He mentioned that it was a real beautiful place, you know,

especially when sun was going down,

and it looked like it was on fire, you know?

Mm-hmm. Did he ever name the place or does it have a name to it?

Ah, fire pits.

You know, hearing Mr. Padilla talk about Hoyos del Fuego

and mentioning that, you know, it looked like a flaming sunset,

it's got me wondering, you know, what's out there?

To me there's a connection.

We just gotta figure out what that connection is.

Could the fire pits where Johnny made his discovery

be the same place labeled Chamuscado,

or "Scorched Red Earth," on the Villescas' maps?

When I heard that he had passed, you know,

it was kind of a shock because he was fine.

He was a pretty stout, healthy guy, you know?

Well, for him to just pass away, I don't know,

it just kinda doesn't make sense.

You know, there's always been a legend

of Montezuma's gold having a curse.

I think we've experienced a few of those curses ourselves,

and we've triumphed over them.

- Right. - You know, but others haven't.

He never got to enjoy it, huh?

No, he never got to enjoy it.

Back at his office in Utah,

Dan Dillman found a spring

where his grandfather predicted,

but the unexpected discoveries

of stone pillars and the pictograph

provided more questions than answers.

What is that?

Questions Dan hopes his grandfather's research can answer.

I've got to figure out a way that we can

speed up the process, maybe look for key markers

that my grandfather has left for us.

But he had so much research that it's not all,

"Go exactly here," but it's giving me the clues that will connect me

to the location that he's trying to direct me to.

I have to trust and believe

that my grandfather is guiding me.

I believe that we found one of the two springs already,

and I'm convinced that's Shadow Cave.

Three wavy lines... we discover the petroglyph underneath the water.

We see clearly manmade stones.

Shadow Cave is absolutely our starting point.

I'm convinced of that.

So there's gotta be another spring

right in the same area.

The trouble is, there's 117 here.

So we've gotta figure out a way

to find out which is the other spring.

If we find the second spring,

I'm convinced that we'll find some type of tunnel system.

And if we find the tunnel,

we find the treasure.

Do you really believe that the Aztec were this far north?

I think so.

If it's not ground zero,

it's definitely a large stepping stone

to what we're looking for.

This area has a bunch of mines and everything

of different minerals

that would've attracted the Aztec.

Everything that I've found points to here.

Meanwhile in Mineral County, Nevada,

goldminers Kevin Hoagland and Chris Hegg

have a radically different theory of their own.

They believe that Aztec warriors fled north

from what is now known as Mexico City

along well-known trade routes

and that they buried their gold in mines along the way.

I have started my search down south, down in Caborca.

We followed the trade route up through Arizona

and into Nevada.

So we used these trade routes as a jump off spot

in all of our research.

Kevin and Chris believe the Aztecs

hid their gold in mines along the trade route.

A discovery Kevin made in a mine in 2012 reinforces his belief.

When I was working on an Eastern trade route through southern Arizona,

I came across an incredible artifact.

This piece is tangible proof

that the Aztec were in the American Southwest.

I started my search not necessarily looking for the treasures.

I'm a miner.

I'm looking for mines as the origin story

because the mines are where the gold came from.

Like Kevin, Chris has been obsessed for decades

with the mystery of lost Aztec gold.

I've been researching here my entire life for anything ancient.

I grew up around all the old miners,

so I have geologic background.

I went into the military and got into cryptology,

and those skill sets allowed me to break code for petroglyphs.

So where are we headed?

Where the mines we're looking for are.

Okay.

So from down here all the way up,

these are the mines that we've searched.

Grab the overlay.

Kevin and Chris have marked on an overlay

the mines of the Western trade route

that they have yet to explore.

Wow, look at that.

Up on that ledge supposedly

there's old, old mines all along there.

All these mines are within the trade routes.

Yeah, everything we've worked on.

The trade routes are significant

because we know the Aztec were there,

and they would've taken all of their gold and treasure

back to someplace that was familiar.

What better place then to hide your gold

than in the mines that you had already dug

that only they knew about?

Everything leads right there.

That's the target. Never been to them.

They're up on a mountain.

- Let's go. - All right.

What we're hoping to find here

is some sort of sign

of ancient mining.

It's a little hairy.

The road's getting steeper too.

But it's like trying to find a needle in a haystack.

There's no road left. We're spinning tires.

Yeah, from this point, it's drones.

Let's just start at the left

because that's what the Aztecs would've seen

from the valley bottom.

And start making passes on that.

If these are old mines,

a lot of them are gonna be covered up,

and we're going to be just looking

for signs on the ground.

An open mine, a deep shadow,

something pushed in or something brought out.

- So far I'm not seeing any holes. - Nothing.

Whoa! Right, you see that? See what I'm seeing?

- The shadow. - I see it, I see it. There's a shadow.

- Okay, I gotta go lower - Put a GPS mark on it.

It's really craggy.

The mineralization, everything is there.

Ah, we gotta hike up there. We gotta go check this out.

Following their theory

that the Spanish found the Aztec gold

and melted it down into bars,

Gabriel and his father Ramon

studied old Spanish maps and manuscripts.

We have two mentions here of Tierra Chamusca.

Tierra Chamusca means "a burnt place." It could be red rock.

- There's something scorched. - And after meeting with Johnny Segura's cousin...

It was a real beautiful place according to him.

The sun looked like it was fire.

Gabriel believes he has a way to identify

the gold's location.

Let's take a look at this.

In the manuscripts we have,

there are several mentions of Chamuscado.

The term means "scorched" or "burnt."

So it'd be scorched or burnt earth.

With his father and Mr. Padilla's nephew Jerome,

who has volunteered to help,

Gabriel is using satellite imagery

to search for any area that could fit the description provided.

So this from the USGS's geographical information system.

- This type of imagery is used to find minerals. - How's that gonna help us?

It's gonna allow us to strip away all the colors.

There's only brown out there, man.

Johnny Segura described the area that he found the gold bars

as kind of a sunset, fiery reds and oranges.

I'm thinking we're gonna be looking for something red out there

in the middle of this vast ocean of brown.

Let's say we strip away the colors, just focus in on the red.

So if there's red rock out there, what you're telling me is we're gonna pinpoint it

and then you wanna go out there and explore and look for it?

Right, so here's Cabezon right here.

- See it? - Oh, yeah.

That's the large landmark that all the maps show.

And from there we're gonna go up north.

Yeah, this is the Rio Puerco in there.

And then take a look at this.

Now that is as red as you can get.

- Dude, look at that. - Holy moly.

It's not brown, I'll tell you that.

This could be part of the whole story.

We could tie everything back to Johnny Segura

and possibly find his dig site.

Let's get the coordinates for that, Dad,

the lat and long right here.

I mean, this could be what we're looking for.

Today's a big day.

Dan and his family are headed back to Shadow Cave

where they found a pictograph and stacked stone

that his late grandfather referred to in his recordings.

Working from Ray Dillman's research,

this spring connects with a second spring.

Dan believes that connection

could be the tunnel leading to Montezuma's treasure.

But there are 117 springs in this canyon.

What's up, guys? Glad you guys could make it.

So Dan is gathering up his team

in an attempt to find the one spring

that connects to Shadow Cave.

My grandfather said that there would be another spring

possibly across from Shadow Cave

where this tunnel system exists.

And so that's what we're hoping to find.

Dan's plan is to pump a non-toxic dye

into Shadow Cave to see whether a connection

to another spring exists.

Implementing this dye test are divers TJ Cottam and Dan Burns,

who are preparing to carry a hose to the mysterious pillar

that covers the spring in Shadow Cave.

If the dye turns up in another spring,

Dan may have evidence of the tunnel system

that he is looking for.

All right, team, Gina, Derrick,

why don't you pass out the flares and the walkie-talkies?

You guys, hit me on the walkie-talkie

if you see any of the green dye showing up.

Hit the flare for me as well

so that I can get your position in the canyon of where you are.

Dan is sending his team

to springs in the immediate vicinity of Shadow Cave

- to watch for the dye. - Let's do it.

Let's jump in the vehicles and get to where we need to be.

If this traceable dye shows up in one of these caves,

to me, that could be the proof and evidence we've been looking for

that there is a tunnel system

connecting these caves and caverns.

While the team takes their places,

Dan and his family have arrived at a key vantage point overlooking Shadow Cave.

As the divers make their preparations to start pumping the dye,

other team members keep watch nearby

checking to see if green dye travels to their location.

Hey, Jaron, just checking on you, man, making you're in position

and ready for that tracing dye to show up.

This is Jaron. I'm in position at cave number three.

- Awesome. - If the dye is seen,

they will fire a flare gun

indicating that it has successfully

traveled underground to their position.

TC, you out there?

TC's here. You'll see my flare when I see it.

All right, gotcha.

Dan, Gina, and Derrick stand by in the canyon

for a bird's eye view of the whole area.

Derrick, how you doing?

I'm good. I'm just here waiting. Fingers crossed.

In the event of a flare gun being fired,

the Dillmans will see where in proximity to Shadow Cave

the dye has traveled.

We have found a spring at Shadow Cave,

and we have found several other caves

and springs within the canyon.

And my grandfather specifically speaks

about a connection between them,

about two springs across from each other connecting.

The dye is being pumped into the spring right now.

- I'm excited, babe. - Yes, me too.

We'll stay here as long as it takes

until somebody says something.

It could take all night before that could seep into the other springs.

You know, just because the drone found it doesn't mean we can get there.

Yeah.

After finding an ancient mine,

Kevin and Chris are headed to what they hope is an Aztec mining site.

Their theory is that the Aztecs brought the gold north

and hid it in the mines along their trade routes.

Oh, whoa, whoa.

That's a snake.

Rattler too. 14 buttons, brother.

Oh.

That's pretty fresh. We're gonna run into them here.

I got bit in the arm a few years ago

by a big black-tail.

My arm just dropped. I couldn't lift it.

It took a while for me to be able to use my arm again.

I don't really want to relive that.

I am going to do everything I can not to get bitten.

This mountain is just known for just being snake infested.

I think the more we get into the mountain,

the deeper we go up, it's just gonna be worse.

- Look at that. - Oh, man.

Yes.

This is old. This is really old.

Look at this geology. Look how that dike is there.

When they came into this area, all they would've done

is gone right back to the same gold burying spots

that looked the same as what they were in Mexico, and that's it.

If this turns out to be the area that all of this started

and the Aztecs came home,

we are looking at all of the Aztec treasure

plus the goldmines where all of the Aztec treasure started.

I can't even wrap my head around the value of that

in any way, shape, or form.

Yeah, for the Aztecs, Kevin,

that would've been a neon sign for "gold here."

Where are we at, Dad? Keep heading north?

Still continue north.

In about a quarter of a mile, you need to turn left.

Okay.

Based on satellite images and GPS coordinates,

Gabriel and Ramon are headed to a site

deep in the desert outside of Cuba, New Mexico,

that they believe could be an area

where a Spanish gold bar was found.

Newest team member Jerome follows close behind.

Based on numerous mentions of the name "Chamuscado"

in old Spanish documents...

We have two mentions here of Tierra Chamuscado.

Tierra Chamusca means "a burnt place." It could be red rock.

And information from a relative of the man

who found a Spanish gold bar...

It was a real beautiful place, you know?

Especially when the sun was going down,

it looked like it was on fire.

Gabriel searches satellite images

to find an area in the desert that was red in color.

Look at that.

Now that is as red as you can get.

It's gonna get rough. Hold on.

I'm looking for a super red area

where Johnny Segura may have found some gold.

Getting close.

That might be it right there. Look at that.

- Look at that. - That's an ocean of red right there.

That's unusual.

Just like Mr. Padilla had described,

we got a whole ocean of brown out here,

and all of a sudden sitting in the middle of this

is a red pile of rocks

just standing out like a sore thumb.

We have multiple references

in our Spanish documents from the 1500s

that refer to "scorched earth"

where these men stashed their treasure,

and they would bury them deep.

The legend is that Johnny found one bar.

The Spaniards never buried just one bar of gold.

- Oh, man. This is it. - Sure does look like it.

I'm starting to get really excited.

You know, this is a long time in the making.

- This is everything they described. - Yeah.

- Yep. - Red.

And it's red.

If this is the place where Johnny found that gold bar,

we could actually be this close

to finding the fabled Aztec gold.

Oh, man.

My goodness. Look at this.

Wow. We definitely found the spot.

They said Johnny was crazy, man.

This looks crazy to me. What do you think?

If this is Johnny's site, he kept this place secret for 40, 50 years.

He must've known something was here.

I wanna metal detect down there.

- Yeah. - Let's check it out, man. Let's do it.

Man, this thing goes down fast.

Look at these sidewalls.

That's half mud and half granite.

- That's not gonna be stable. - This is delicate.

Discovering what appears to be a hand dug mine,

Kevin and Chris prepare to descend into the opening

hoping to find to proof of a possible Aztec presence.

I can see where it opens up down here a little bit.

It looks like there's a turn.

We're so close, Kevin, I can feel it. I'm telling you.

I can't wait to get into this mine.

Everything is starting to line up.

There's a possibility that nobody's been in this mine

for 400 years.

- Chris. - Yo.

Grab my backpack and get down here. This thing goes a long way.

You got it. I'm coming.

I love being underground, but this mine right now

has me a little worried.

How's it look like over there?

Yeah, look at this.

I've been in so many mines over the years,

you get to where you know what you're looking at.

And this mine, square ceiling...

One of the most unsafe things that you could ever see.

And the tool marks that are in it

are not steel tool marks.

Now for Aztec, they were using more, like, sharpened stones, right?

- Yeah. - They look more like wedges made out of rock.

This goes back older than any mining techniques you and I are familiar with.

Yeah, I agree. I just wonder how many died doing it, you know?

All right, we're gonna go forward one foot at a time. Check everything.

- Getting narrow and shorter. - Yeah.

The most exciting part about all of this

is we have no idea what we're going to find.

Oh, yeah, that's really bad.

We just got inside, and looking at this,

doing an integrity test, the roof's pretty bad.

Look at this. Look at this.

- Look at the vein. - Aw, man.

We've decided to go a little deeper until we can't.

We just gotta keep track of what this rock's doing.

If it gets any worse than this, we're gonna have to bail.

Ah, I can stand up a little.

I've looked down this shaft a little bit,

and this thing is ridiculously long.

I don't know... I have no idea how far back this goes,

but given the age of this mine and the fact

that it was not built with any modernized tools,

it's all hand built, the idea of finding a mine,

an old Aztec mine full of treasure is very plausible.

Hang on, hang on, hang on. Don't move.

- Feel it? - Yeah.

Really light air. Man, we're about 100 feet in.

Whoa.

Check this out.

That's a lot of air moving in here.

- There's an opening. - Yeah, I did not expect

to have to deal with another opening in this.

Since mines typically have a single entrance,

a second way in suggests that this mine

could be part of a larger tunnel system.

Wow. This is all hand dug.

There's not a single tool mark in here?

And there's a secondary opening?

There's a second opening. Maybe more.

This has got to be a complex system.

- Yeah. - All right, man. Let's keep going.

Slow. Easy.

It doesn't matter what's ahead of us if we don't make it there.

Yep, I'm with you.

It's such a long way. It's getting tighter.

Someday this is just gonna completely seal in.

Oh.

Whoa, boy. Stop.

This is a huge cave-in. Oh, man.

- Everything fell in? - Yeah. This is beyond sketch.

Nathan, we're not seeing anything yet,

and I'm just thinking maybe we don't have enough pressure pumping that dye.

You think that you guys can kick up the pressure on that pump?

Yeah, you bet. We'll try that right now.

Back at the canyon,

Dan, Gina, and Derrick Dillman

have been waiting for hours.

If you see the dye starting to bubble up,

I need you to shoot off a flare.

They hope that the dye that is being pumped into Shadow Cave

will emerge in another part of the canyon

providing possible evidence of a tunnel system,

a tunnel Dan's grandfather believes

could lead to lost Aztec gold.

- TC, you out there? - TC is here.

Not seeing anything yet.

Tom, how about you?

Any updates? See anything?

Negative, we've got no green. No green yet.

Not good news.

If the dye doesn't show up, it means that I need to move on

to one of these other caves and springs,

and we need to test there.

This might be a major problem

for the resources that we planned for this trip.

Derrick, hey, man, how you feeling?

Just keeping my eyes peeled and hoping for the best.

Already, the things that we've discovered inside of Shadow Cave...

Oh, epic.

- That alone right there would be enough for me. - Enough.

Holy.

Guys, we've got a flare!

Dan, I got color in cave five.

Derrick, we have got tracing dye.

If I wasn't standing on an edge,

I'd be jumping for joy right now.

We just had a major breakthrough.

We've got evidence of traceable dye in cave five.

It makes complete sense that Shadow Cave

is directly across from cave five where TC is.

And so we know we've got a tunnel system.

This season on "Lost Gold of the Aztecs"...

Whoa, whoa!

That's old as hell.

That's it. That's one of the symbols we're looking for.

- You gotta be kidding me. - All right.

Whoa-ho-ho-ho. Why is it dead in that tunnel?

Bam! I believe that this treasure is still there for the taking.

- What is that? - Spanish death trap.

Ooh, yeah, you got a little blood.

Treasure hunting is not for the faint of heart.

We will figure it out.

We will get in that son of a bitch.

Because it ain't gonna beat me.

I knew that somewhere close there was a treasure chamber.

Hey, Dad, you want to come check this out?

Derrick, this might be where grandpa was talking about.

This just might be it, son.

- Is that water coming out? - Yeah.

This has been a 55-year journey for my family.

We keep going and we keep searching.

Look right there. You see it?

And we never quit.

All right, let's make it happen, Captain.

Because when we find Montezuma's treasure...

We found the mine.

It's gonna rewrite history.

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