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Secrets of the Underground

(EXHALES) And it is justa whole bunch of very loose dirt

(EXHALES) And it is just
a whole bunch of very loose dirt

Full Transcript

00:00:01.000 --> 00:00:02.028
(EXHALES)
00:00:02.036 --> 00:00:06.016
And it is just a whole bunch of very loose dirt.
Duration
6 seconds
Views
13
Timestamp in Movie
00:21:56
Uploaded
Jul 08, 2025
Season
1
Episode
2
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 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,
S01 • E02 I'm guessing it was a tunnel into a greater underground tunnel network, - Secrets of the Underground 00:10
I'm guessing it was a tunnel into a greater underground...
S01 • E03 Not only did our lake go away, the recession was in, too. - Secrets of the Underground 00:04
Not only did our lake go away, the recession was in, too.
S01 • E08 Or maybe like some of the inmates once incarcerated here, - Secrets of the Underground 00:08
Or maybe like some of the inmates once incarcerated here,
S01 • E01 Except for a few pieces of wood that I've discovered. - Secrets of the Underground 00:05
Except for a few pieces of wood that I've discovered.