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Secrets of the Underground

To find out,I'm heading there myself, armed with state-of-the-artscanning technology to...

To find out,
I'm heading there myself, armed with state-of-the-art
scanning technology to explore the hidden
underbelly of The Rock

Full Transcript

00:00:01.000 --> 00:00:03.012
To find out, I'm heading there myself,
00:00:03.002 --> 00:00:05.056
armed with state-of-the-art scanning technology
00:00:05.064 --> 00:00:08.004
to explore the hidden underbelly of The Rock.
Duration
8 seconds
Views
19
Timestamp in Movie
00:02:38
Uploaded
Jul 09, 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 • E02 Yeah, you know, whether it's aliens - Secrets of the Underground 00:10
Yeah, you know, whether it's aliens
S01 • E01 My investigation starts at Big Al's favourite poker spot - Secrets of the Underground 00:09
My investigation starts at Big Al's favourite poker spo...
S01 • E03 But in 2002, his fascination took a very personal turn - Secrets of the Underground 00:10
But in 2002, his fascination took a very personal turn
S01 • E08 In recent years, ground penetrating radar, or GPR for short, - Secrets of the Underground 00:09
In recent years, ground penetrating radar, or GPR for short,
S01 • E01 Opened in 1905, this downtown hot spot's old world grandeur - Secrets of the Underground 00:08
Opened in 1905, this downtown hot spot's old world gran...
S01 • E02 Is it possible to get down there and look at the tunnels - Secrets of the Underground 00:05
Is it possible to get down there and look at the tunnels
S01 • E03 This is the Pennsylvania Railroad file - Secrets of the Underground 00:06
This is the Pennsylvania Railroad file
S01 • E02 At the end of the day, this is a major international airport - Secrets of the Underground 00:10
At the end of the day, this is a major international airport
S01 • E08 Including a mysterious network of tunnels - Secrets of the Underground 00:10
Including a mysterious network of tunnels
S01 • E01 Notable guests included FDR, JFK and the Rolling Stones. - Secrets of the Underground 00:06
Notable guests included FDR, JFK and the Rolling Stones.
S01 • E03 The papers tell of the construction - Secrets of the Underground 00:06
The papers tell of the construction
S01 • E01 F Scott Fitzgerald used the Seelbach - Secrets of the Underground 00:07
F Scott Fitzgerald used the Seelbach
S01 • E02 1,000 people? There's about 1,000 people who work in the tunnels. - Secrets of the Underground 00:04
1,000 people? There's about 1,000 people who work in th...
S01 • E08 Today, I'm betting GPR can help us - Secrets of the Underground 00:09
Today, I'm betting GPR can help us
S01 • E01 The title character was based on the real-life gangsters he saw here, - Secrets of the Underground 00:09
The title character was based on the real-life gangsters he ...
S01 • E02 I know that's not gonna help our case - Secrets of the Underground 00:06
I know that's not gonna help our case
S01 • E03 So, this whole thing goes back to an incident that happened - Secrets of the Underground 00:06
So, this whole thing goes back to an incident that happened
S01 • E02 So, this clearly isn't the first time Heath has heard these questions. - Secrets of the Underground 00:05
So, this clearly isn't the first time Heath has heard t...
S01 • E03 What we know here is that a total of 57 Irish railroad workers - Secrets of the Underground 00:10
What we know here is that a total of 57 Irish railroad worke...
S01 • E01 In the Prohibition era of the 1920s, - Secrets of the Underground 00:07
In the Prohibition era of the 1920s,