To watch in HD, get ClipCafe PRO
Hidden just below the earth's surface
Please log in to add to collections.
Secrets of the Underground

Hidden just belowthe earth's surface, there are countlessunsolved mysteries

Hidden just below
the earth's surface, there are countless
unsolved mysteries

Full Transcript

00:00:01.000 --> 00:00:03.048
Hidden just below the earth's surface,
00:00:03.056 --> 00:00:05.084
there are countless unsolved mysteries.
Duration
6 seconds
Views
23
Timestamp in Movie
00:00:46
Uploaded
Jul 09, 2025
Season
1
Episode
1
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 • E08 Hidden just below the Earth's surface, - Secrets of the Underground 00:07
Hidden just below the Earth's surface,
S01 • E03 Hidden just below the Earth's surface, - Secrets of the Underground 00:05
Hidden just below the Earth's surface,
S01 • E01 And today, we finally have the tools to unlock them. - Secrets of the Underground 00:04
And today, we finally have the tools to unlock them.
S01 • E02 I'm Rob Nelson, a scientist using state-of-the-art technology - Secrets of the Underground 00:07
I'm Rob Nelson, a scientist using state-of-the-art tech...
S01 • E08 And today, we finally have the tools to unlock them. - Secrets of the Underground 00:04
And today, we finally have the tools to unlock them.
S01 • E03 ..and today, we finally have the tools to unlock them. - Secrets of the Underground 00:04
..and today, we finally have the tools to unlock them.
S01 • E01 Look at that! Whoa! I think this is it! - Secrets of the Underground 00:04
Look at that! Whoa! I think this is it!
S01 • E01 I'm Rob Nelson, a scientist using state of the art technology - Secrets of the Underground 00:07
I'm Rob Nelson, a scientist using state of the art tech...
S01 • E08 I'm Rob Nelson, a scientist using state-of-the-art technology - Secrets of the Underground 00:07
I'm Rob Nelson, a scientist using state-of-the-art tech...
S01 • E03 I'm Rob Nelson, a scientist using state-of-the-art technology - Secrets of the Underground 00:07
I'm Rob Nelson, a scientist using state-of-the-art tech...
S01 • E02 These are the Secrets of the Underground. - Secrets of the Underground 00:04
These are the Secrets of the Underground.
S01 • E02 I'm in Denver, Colorado, America's fastest-growing major city, - Secrets of the Underground 00:09
I'm in Denver, Colorado, America's fastest-growing...
S01 • E01 These are the Secrets of the Underground. - Secrets of the Underground 00:04
These are the Secrets of the Underground.
S01 • E02 But some believe this idyllic metropolis - Secrets of the Underground 00:06
But some believe this idyllic metropolis
S01 • E01 Louisville, Kentucky, known for its bourbon, - Secrets of the Underground 00:08
Louisville, Kentucky, known for its bourbon,
S01 • E08 Alcatraz, one of the world's most notorious prisons. - Secrets of the Underground 00:05
Alcatraz, one of the world's most notorious prisons.
S01 • E03 In Chester County, Pennsylvania, 20 miles west of Philadelphia, - Secrets of the Underground 00:11
In Chester County, Pennsylvania, 20 miles west of Philadelph...
S01 • E02 There are claims that hidden deep under the city - Secrets of the Underground 00:06
There are claims that hidden deep under the city
S01 • E08 Built on a 22-acre island surrounded by the frigid San Francisco Bay, - Secrets of the Underground 00:14
Built on a 22-acre island surrounded by the frigid San Franc...
S01 • E01 But this southern jewel of the blue grass state - Secrets of the Underground 00:06
But this southern jewel of the blue grass state