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Immediately, I begin wondering whether this tunnel
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Secrets of the Underground

Immediately,I begin wondering whether this tunnel might connect to the spaceswe found...

Immediately,
I begin wondering whether this tunnel might connect to the spaces
we found behind the wall

Full Transcript

00:00:01.000 --> 00:00:03.068
Immediately, I begin wondering whether this tunnel
00:00:03.076 --> 00:00:06.084
might connect to the spaces we found behind the wall.
Duration
7 seconds
Views
10
Timestamp in Movie
00:12:16
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 A continuity of government site needs its own source of power - Secrets of the Underground 00:09
A continuity of government site needs its own source of powe...
S01 • E01 At the time, the hotel was owned by Abraham Liebling from Chicago, - Secrets of the Underground 00:07
At the time, the hotel was owned by Abraham Liebling from Ch...
S01 • E07 The more c.O.2 Coming from the ground, - Secrets of the Underground 00:06
The more c.O.2 Coming from the ground,
S01 • E03 This colour scale is showing us resistivity, red being resistive. - Secrets of the Underground 00:05
This colour scale is showing us resistivity, red being resis...
S01 • E08 But there doesn't seem to be any obvious link. - Secrets of the Underground 00:04
But there doesn't seem to be any obvious link.
S01 • E01 They'd make sure the hotel was secure for them when they were here. - Secrets of the Underground 00:06
They'd make sure the hotel was secure for them when the...
S01 • E03 This corner is over here... - Secrets of the Underground 00:05
This corner is over here...
S01 • E02 After the 9/11 attack, Vice President Dick Cheney - Secrets of the Underground 00:08
After the 9/11 attack, Vice President Dick Cheney
S01 • E08 (WATER CRASHING IN DISTANCE) - Secrets of the Underground 00:05
(WATER CRASHING IN DISTANCE)
S01 • E01 If the police came in downstairs, - Secrets of the Underground 00:07
If the police came in downstairs,
S01 • E03 We've got a resistive blob... Right there. ..right there. - Secrets of the Underground 00:04
We've got a resistive blob... Right there. ..right ther...
S01 • E02 It's rumoured to run off several gas generators the size of locomotives. - Secrets of the Underground 00:05
It's rumoured to run off several gas generators the siz...
S01 • E07 Holy crap. I'm feeling a little bit woozy. - Secrets of the Underground 00:04
Holy crap. I'm feeling a little bit woozy.
S01 • E01 These doors were spring-loaded and they'd automatically close. - Secrets of the Underground 00:04
These doors were spring-loaded and they'd automatically...
S01 • E08 I have my GoPro right at the moment, - Secrets of the Underground 00:06
I have my GoPro right at the moment,
S01 • E03 And that blob looks a lot like a large air cavity in the earth, - Secrets of the Underground 00:08
And that blob looks a lot like a large air cavity in the ear...
S01 • E02 But at some point, the fuel in those generators would run out. - Secrets of the Underground 00:04
But at some point, the fuel in those generators would run ou...
S01 • E02 Geothermal power, however, is effectively unlimited. - Secrets of the Underground 00:05
Geothermal power, however, is effectively unlimited.
S01 • E03 Let me count in from the electrodes, - Secrets of the Underground 00:05
Let me count in from the electrodes,
S01 • E07 Where we've located toxic metals Coming out of the ground, - Secrets of the Underground 00:08
Where we've located toxic metals Coming out of the grou...