To watch in HD, get ClipCafe PRO
Several hours down there, a few minutes at a time
Please log in to add to collections.
Secrets of the Underground

Several hours down there,a few minutes at a time, when the guards weren't around

several hours down there,
a few minutes at a time, when the guards weren't around

Full Transcript

00:00:01.000 --> 00:00:04.036
several hours down there, a few minutes at a time,
00:00:04.044 --> 00:00:06.048
when the guards weren't around.
Duration
6 seconds
Views
23
Timestamp in Movie
00:06:29
Uploaded
Jul 13, 2025
Season
1
Episode
8
Genres
documentary

Want This Clip in HD?

Upgrade for HD/4K downloads and unlimited access. Upgrade now →

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 The find reignited the long-forgotten mystery - Secrets of the Underground 00:10
The find reignited the long-forgotten mystery
S01 • E07 Is an active magma chamber Miles below the earth's surface. - Secrets of the Underground 00:05
Is an active magma chamber Miles below the earth's surf...
S01 • E01 So they could have connected to a citywide sewer system - Secrets of the Underground 00:08
So they could have connected to a citywide sewer system
S01 • E07 But while yellowstone's Hot springs are dangerous, - Secrets of the Underground 00:06
But while yellowstone's Hot springs are dangerous,
S01 • E08 On his belly on a steam pipe, whacking away at these brick walls. - Secrets of the Underground 00:05
On his belly on a steam pipe, whacking away at these brick w...
S01 • E01 What I love about these basements is, you never know what you'll find, - Secrets of the Underground 00:08
What I love about these basements is, you never know what yo...
S01 • E08 In his head, Quillen had only been that far from freedom. - Secrets of the Underground 00:04
In his head, Quillen had only been that far from freedom.
S01 • E07 Hot creek's temperatures Fluctuate so frequently, - Secrets of the Underground 00:07
Hot creek's temperatures Fluctuate so frequently,
S01 • E02 He came up to me while I was - Secrets of the Underground 00:09
He came up to me while I was
S01 • E08 And that's how deeply set the story of the Spanish tunnels was. - Secrets of the Underground 00:06
And that's how deeply set the story of the Spanish tunn...
S01 • E03 Bill and Frank explain how a letter from their grandfather's secret files - Secrets of the Underground 00:07
Bill and Frank explain how a letter from their grandfather&#...
S01 • E01 I can guarantee you never know what you'll find back there! - Secrets of the Underground 00:04
I can guarantee you never know what you'll find back th...
S01 • E07 I need to test the nature Of this water, the chemistry, - Secrets of the Underground 00:10
I need to test the nature Of this water, the chemistry,
S01 • E08 John tells me about a lesser-known section of the prison - Secrets of the Underground 00:08
John tells me about a lesser-known section of the prison
S01 • E02 If the guard can help me understand what's going on under the airport, - Secrets of the Underground 00:07
If the guard can help me understand what's going on und...
S01 • E03 Penned by the son of a former railroad employee, - Secrets of the Underground 00:09
Penned by the son of a former railroad employee,
S01 • E08 There's actually a level below us used for solitary confinement. - Secrets of the Underground 00:05
There's actually a level below us used for solitary con...
S01 • E01 I'm going to take the GoProbe back into this tunnel - Secrets of the Underground 00:07
I'm going to take the GoProbe back into this tunnel
S01 • E03 We realised, "Wait a minute, these guys are in the embankment." - Secrets of the Underground 00:08
We realised, "Wait a minute, these guys are in the emba...
S01 • E07 With ones that are very common In volcanic areas, - Secrets of the Underground 00:07
With ones that are very common In volcanic areas,