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That's probably the bottom of the concrete
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Secrets of the Underground

That's probablythe bottom of the concrete that we're getting right there,cos it's fairly...

That's probably
the bottom of the concrete that we're getting right there,
cos it's fairly high up

Full Transcript

00:00:01.000 --> 00:00:03.004
That's probably the bottom of the concrete
00:00:03.012 --> 00:00:06.000
that we're getting right there, cos it's fairly high up.
Duration
6 seconds
Views
19
Timestamp in Movie
00:14:38
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 • E07 So, I knelt down here To try to look at the soil, - Secrets of the Underground 00:06
So, I knelt down here To try to look at the soil,
S01 • E02 Down in this labyrinth, it's hard to know which direction I'm facing, - Secrets of the Underground 00:10
Down in this labyrinth, it's hard to know which directi...
S01 • E08 The GPR is not revealing much of anything in most of the yard. - Secrets of the Underground 00:04
The GPR is not revealing much of anything in most of the yar...
S01 • E07 If you take A big handful of dirt, - Secrets of the Underground 00:09
If you take A big handful of dirt,
S01 • E01 OK. I have our results for our Lidar tests here. - Secrets of the Underground 00:05
OK. I have our results for our Lidar tests here.
S01 • E03 Cholera is typically spread through tainted food and water. - Secrets of the Underground 00:05
Cholera is typically spread through tainted food and water.
S01 • E01 The data gives me a 3-D model of the entire room. - Secrets of the Underground 00:04
The data gives me a 3-D model of the entire room.
S01 • E03 Cholera epidemics were prevalent in the United States - Secrets of the Underground 00:10
Cholera epidemics were prevalent in the United States
S01 • E02 There are no visual points of reference to the surface - Secrets of the Underground 00:07
There are no visual points of reference to the surface
S01 • E08 Yeah, it definitely spiked right there. Yeah. - Secrets of the Underground 00:04
Yeah, it definitely spiked right there. Yeah.
S01 • E01 The table, chandelier and even the carpet pattern are clear as day. - Secrets of the Underground 00:05
The table, chandelier and even the carpet pattern are clear ...
S01 • E08 Again and again, we go over the area, and each time the readings spike. - Secrets of the Underground 00:06
Again and again, we go over the area, and each time the read...
S01 • E02 So I've recruited an expert in ground penetrating technology, - Secrets of the Underground 00:08
So I've recruited an expert in ground penetrating techn...
S01 • E01 Anything strange or out of place will show up in the Lidar image. - Secrets of the Underground 00:06
Anything strange or out of place will show up in the Lidar i...
S01 • E03 So is disease the real culprit behind these deaths? - Secrets of the Underground 00:05
So is disease the real culprit behind these deaths?
S01 • E07 Could there be a magma Chamber bubbling up here, too, - Secrets of the Underground 00:07
Could there be a magma Chamber bubbling up here, too,
S01 • E01 What I'm most interested in - Secrets of the Underground 00:06
What I'm most interested in
S01 • E08 (BEEPING CONTINUES) - Secrets of the Underground 00:06
(BEEPING CONTINUES)
S01 • E03 Some believe that story just doesn't add up. - Secrets of the Underground 00:04
Some believe that story just doesn't add up.
S01 • E03 We rescanned the area and I think we found a mass gravesite. - Secrets of the Underground 00:06
We rescanned the area and I think we found a mass gravesite.