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Secrets of the Underground

We're worried abouta potential cave-in, so we have this brace on the door

We're worried about
a potential cave-in, so we have this brace on the door

Full Transcript

00:00:01.000 --> 00:00:03.048
We're worried about a potential cave-in,
00:00:03.056 --> 00:00:05.008
so we have this brace on the door.
Duration
5 seconds
Views
12
Timestamp in Movie
00:20:38
Uploaded
Jul 13, 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 • E08 These are earthen fortifications that cover brick structures. - Secrets of the Underground 00:06
These are earthen fortifications that cover brick structures...
S01 • E01 It's like we're figuring out this mystery as we go! As we go. - Secrets of the Underground 00:05
It's like we're figuring out this mystery as we go...
S01 • E07 Is definitely Some sort of liquid, - Secrets of the Underground 00:06
Is definitely Some sort of liquid,
S01 • E01 Oh wow, look at that. - Secrets of the Underground 00:04
Oh wow, look at that.
S01 • E02 Do you know exactly where this door is relative to the front? - Secrets of the Underground 00:05
Do you know exactly where this door is relative to the front...
S01 • E08 That structure there provided military personnel cover from fire coming from the ocean. - Secrets of the Underground 00:07
That structure there provided military personnel cover from ...
S01 • E03 It was a lake used as a location in the iconic film Dirty Dancing - Secrets of the Underground 00:08
It was a lake used as a location in the iconic film Dirty Da...
S01 • E01 I've never seen that. Let me crawl up here a little bit. - Secrets of the Underground 00:06
I've never seen that. Let me crawl up here a little bit...
S01 • E08 So, what we're seeing right here, underneath the rec yard, - Secrets of the Underground 00:07
So, what we're seeing right here, underneath the rec ya...
S01 • E03 For decades, thousands of families made Mountain Lake - Secrets of the Underground 00:06
For decades, thousands of families made Mountain Lake
S01 • E02 The tunnel appears to connect to another building across Blake Street. - Secrets of the Underground 00:06
The tunnel appears to connect to another building across Bla...
S01 • E08 Wow, and just like that, the tunnels are relegated to myth once again. - Secrets of the Underground 00:06
Wow, and just like that, the tunnels are relegated to myth o...
S01 • E03 Then, in 2002, something bizarre started happening. - Secrets of the Underground 00:05
Then, in 2002, something bizarre started happening.
S01 • E01 We're in the Seelbach Hotel, Louisville, Kentucky, - Secrets of the Underground 00:12
We're in the Seelbach Hotel, Louisville, Kentucky,
S01 • E07 Of superheated fluids beneath This long, dormant supervolcano. - Secrets of the Underground 00:05
Of superheated fluids beneath This long, dormant supervolcan...
S01 • E08 The data from the 4-D model appears to suggest - Secrets of the Underground 00:08
The data from the 4-D model appears to suggest
S01 • E03 The lake levels began to drop dramatically - Secrets of the Underground 00:08
The lake levels began to drop dramatically
S01 • E07 As we analyze the data, - Secrets of the Underground 00:06
As we analyze the data,
S01 • E02 First, I want to see exactly what lies behind this entrance. - Secrets of the Underground 00:05
First, I want to see exactly what lies behind this entrance.
S01 • E08 Instead, they were most likely gaps between Civil War era fortifications, - Secrets of the Underground 00:08
Instead, they were most likely gaps between Civil War era fo...