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And today, we finally have the tools to unlock them
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Secrets of the Underground

And today, we finallyhave the tools to unlock them

And today, we finally
have the tools to unlock them

Full Transcript

00:00:01.000 --> 00:00:04.036
And today, we finally have the tools to unlock them.
Duration
4 seconds
Views
22
Timestamp in Movie
00:00:53
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 • 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 • 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 • E01 Louisville, Kentucky, known for its bourbon, - Secrets of the Underground 00:08
Louisville, Kentucky, known for its bourbon,
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
S01 • E02 And rumours have swirled about the existence of tunnel entrances - Secrets of the Underground 00:09
And rumours have swirled about the existence of tunnel entra...
S01 • E01 This birthplace of America's only native whiskey - Secrets of the Underground 00:11
This birthplace of America's only native whiskey
S01 • E03 According to locals, this area is the site of a mass grave. - Secrets of the Underground 00:04
According to locals, this area is the site of a mass grave.
S01 • E02 Under the airport, - Secrets of the Underground 00:07
Under the airport,
S01 • E03 The final resting place of dozens of Irish immigrants - Secrets of the Underground 00:10
The final resting place of dozens of Irish immigrants