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In 1962, three inmates dug through their cell walls with sharpened spoons
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Secrets of the Underground

In 1962, three inmatesdug through their cell wallswith sharpened spoons and reached a...

In 1962, three inmates
dug through their cell walls
with sharpened spoons and reached a ventilation shaft
up to the roof, where they slid down a vent pipe
50 feet to the ground

Full Transcript

00:00:01.000 --> 00:00:05.084
In 1962, three inmates dug through their cell walls with sharpened spoons
00:00:05.092 --> 00:00:08.008
and reached a ventilation shaft up to the roof,
00:00:08.088 --> 00:00:12.084
where they slid down a vent pipe 50 feet to the ground.
Duration
13 seconds
Views
20
Timestamp in Movie
00:21:48
Uploaded
Jul 09, 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 • E03 What makes this puzzle even weirder - Secrets of the Underground 00:07
What makes this puzzle even weirder
S01 • E01 We've got stairs right there, - Secrets of the Underground 00:12
We've got stairs right there,
S01 • E07 In superheated ground water, Toxic-gas emissions, - Secrets of the Underground 00:08
In superheated ground water, Toxic-gas emissions,
S01 • E02 (EXHALES) - Secrets of the Underground 00:06
(EXHALES)
S01 • E03 Today, it's only about 30% as deep as it was when it was full. - Secrets of the Underground 00:06
Today, it's only about 30% as deep as it was when it wa...
S01 • E08 They then made their way to the bay where they set sail on a makeshift raft, - Secrets of the Underground 00:07
They then made their way to the bay where they set sail on a...
S01 • E02 But I can see a ceiling to this. - Secrets of the Underground 00:04
But I can see a ceiling to this.
S01 • E02 I don't want to hit the wrong thing and make it all collapse. - Secrets of the Underground 00:04
I don't want to hit the wrong thing and make it all col...
S01 • E03 When this 47-acre lake dried up in 2008, business did, too, - Secrets of the Underground 00:12
When this 47-acre lake dried up in 2008, business did, too,
S01 • E08 The following year, The Rock closed its doors forever. - Secrets of the Underground 00:05
The following year, The Rock closed its doors forever.
S01 • E01 So if there really was a staircase here, - Secrets of the Underground 00:06
So if there really was a staircase here,
S01 • E07 An unprecedented glimpse Of the turbulent and fiery world. - Secrets of the Underground 00:05
An unprecedented glimpse Of the turbulent and fiery world.
S01 • E08 (GULLS CAWING) - Secrets of the Underground 00:07
(GULLS CAWING)
S01 • E02 So this is another door that's been carved out. - Secrets of the Underground 00:04
So this is another door that's been carved out.
S01 • E07 Now from the high country Of eastern california, - Secrets of the Underground 00:07
Now from the high country Of eastern california,
S01 • E08 Is it possible they are still hidden somewhere else under the prison? - Secrets of the Underground 00:05
Is it possible they are still hidden somewhere else under th...
S01 • E03 And as employees from the lodge can attest, - Secrets of the Underground 00:08
And as employees from the lodge can attest,
S01 • E01 OK. That's what we were talking about. All that's been redone. - Secrets of the Underground 00:04
OK. That's what we were talking about. All that's ...
S01 • E08 Maybe future technology will reveal something we've missed. - Secrets of the Underground 00:04
Maybe future technology will reveal something we've mis...
S01 • E07 In the historic town Of groton lies a little-known, - Secrets of the Underground 00:07
In the historic town Of groton lies a little-known,