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We have to figure out what's below this. Mh-hm
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Secrets of the Underground

We have to figure outwhat's below this. Mh-hm

We have to figure out
what's below this. Mh-hm

Full Transcript

00:00:01.000 --> 00:00:04.084
We have to figure out what's below this. Mh-hm.
Duration
5 seconds
Views
19
Timestamp in Movie
00:18:50
Uploaded
Jul 13, 2025
Season
1
Episode
1
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 If I was testing a wall in a building, - Secrets of the Underground 00:05
If I was testing a wall in a building,
S01 • E08 Peter has been using old surveying data - Secrets of the Underground 00:07
Peter has been using old surveying data
S01 • E03 You suddenly get sick, so why not blame it, basically, - Secrets of the Underground 00:06
You suddenly get sick, so why not blame it, basically,
S01 • E07 Understanding these changes Helped volcanologists predict. - Secrets of the Underground 00:04
Understanding these changes Helped volcanologists predict.
S01 • E01 Now I want to trace this shaft down into the basement, - Secrets of the Underground 00:09
Now I want to trace this shaft down into the basement,
S01 • E07 Massive eruptions In 1975 and 1984. - Secrets of the Underground 00:06
Massive eruptions In 1975 and 1984.
S01 • E02 We gotta go downtown and see if we can find the tunnels there. There is definitely a connection. - Secrets of the Underground 00:06
We gotta go downtown and see if we can find the tunnels ther...
S01 • E03 An axe wound is an intense wound. Yeah. Yeah, super-violent crimes. - Secrets of the Underground 00:06
An axe wound is an intense wound. Yeah. Yeah, super-violent ...
S01 • E08 Meaning we can move not just through space, but through time. - Secrets of the Underground 00:05
Meaning we can move not just through space, but through time...
S01 • E02 I came to Denver thinking - Secrets of the Underground 00:10
I came to Denver thinking
S01 • E03 Janet believes the eight victims who may have tried to flee - Secrets of the Underground 00:07
Janet believes the eight victims who may have tried to flee
S01 • E08 To achieve this, he first has to line up the historical maps - Secrets of the Underground 00:07
To achieve this, he first has to line up the historical maps
S01 • E07 In 1980, experts and laymen Alike observed a bulge. - Secrets of the Underground 00:05
In 1980, experts and laymen Alike observed a bulge.
S01 • E01 Two flights down lies one of the most iconic rooms in the Seelbach, - Secrets of the Underground 00:08
Two flights down lies one of the most iconic rooms in the Se...
S01 • E07 Growing out of the northern Summit of mount st. Helens. - Secrets of the Underground 00:05
Growing out of the northern Summit of mount st. Helens.
S01 • E03 But what about those other 49, - Secrets of the Underground 00:06
But what about those other 49,
S01 • E08 So, we can start with uh...this map. - Secrets of the Underground 00:05
So, we can start with uh...this map.
S01 • E07 And sure enough, On may 18th of that year, - Secrets of the Underground 00:06
And sure enough, On may 18th of that year,
S01 • E02 But all those strange symbols - Secrets of the Underground 00:09
But all those strange symbols
S01 • E01 This is an awesome room. This is the Rathskellar. - Secrets of the Underground 00:05
This is an awesome room. This is the Rathskellar.