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And he decided in his head that if he broke through the bricks
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Secrets of the Underground

And he decided in his head thatif he broke through the bricks, he'd be in the Spanish...

And he decided in his head that
if he broke through the bricks, he'd be in the Spanish tunnels

Full Transcript

00:00:01.000 --> 00:00:04.012
And he decided in his head that if he broke through the bricks,
00:00:04.002 --> 00:00:06.032
he'd be in the Spanish tunnels.
Duration
6 seconds
Views
18
Timestamp in Movie
00:06:21
Uploaded
Jul 13, 2025
Season
1
Episode
8
Genres
documentary

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Movie Summary

Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre g...
S01 • E02 (MAN SPEAKING) - Secrets of the Underground 00:08
(MAN SPEAKING)
S01 • E01 (LAUGHS) - Secrets of the Underground 00:08
(LAUGHS)
S01 • E03 And one... another one with the shamrock and the harp... - Secrets of the Underground 00:05
And one... another one with the shamrock and the harp...
S01 • E07 Bubbling up From the earth's core. - Secrets of the Underground 00:05
Bubbling up From the earth's core.
S01 • E08 Several hours down there, a few minutes at a time, - Secrets of the Underground 00:06
Several hours down there, a few minutes at a time,
S01 • E01 So they could have connected to a citywide sewer system - Secrets of the Underground 00:08
So they could have connected to a citywide sewer system
S01 • E03 The find reignited the long-forgotten mystery - Secrets of the Underground 00:10
The find reignited the long-forgotten mystery
S01 • E07 Is an active magma chamber Miles below the earth's surface. - Secrets of the Underground 00:05
Is an active magma chamber Miles below the earth's surf...
S01 • E07 But while yellowstone's Hot springs are dangerous, - Secrets of the Underground 00:06
But while yellowstone's Hot springs are dangerous,
S01 • E08 On his belly on a steam pipe, whacking away at these brick walls. - Secrets of the Underground 00:05
On his belly on a steam pipe, whacking away at these brick w...
S01 • E01 What I love about these basements is, you never know what you'll find, - Secrets of the Underground 00:08
What I love about these basements is, you never know what yo...
S01 • E08 In his head, Quillen had only been that far from freedom. - Secrets of the Underground 00:04
In his head, Quillen had only been that far from freedom.
S01 • E07 Hot creek's temperatures Fluctuate so frequently, - Secrets of the Underground 00:07
Hot creek's temperatures Fluctuate so frequently,
S01 • E02 He came up to me while I was - Secrets of the Underground 00:09
He came up to me while I was
S01 • E03 Bill and Frank explain how a letter from their grandfather's secret files - Secrets of the Underground 00:07
Bill and Frank explain how a letter from their grandfather&#...
S01 • E08 And that's how deeply set the story of the Spanish tunnels was. - Secrets of the Underground 00:06
And that's how deeply set the story of the Spanish tunn...
S01 • E01 I can guarantee you never know what you'll find back there! - Secrets of the Underground 00:04
I can guarantee you never know what you'll find back th...
S01 • E07 I need to test the nature Of this water, the chemistry, - Secrets of the Underground 00:10
I need to test the nature Of this water, the chemistry,
S01 • E08 John tells me about a lesser-known section of the prison - Secrets of the Underground 00:08
John tells me about a lesser-known section of the prison
S01 • E02 If the guard can help me understand what's going on under the airport, - Secrets of the Underground 00:07
If the guard can help me understand what's going on und...