To watch in HD, get ClipCafe PRO
Could this be the smoking gun
Please log in to add to collections.
Secrets of the Underground

Could this be the smoking gun that proves the legendof the Spanish tunnels?

Could this be the smoking gun that proves the legend
of the Spanish tunnels?

Full Transcript

00:00:01.000 --> 00:00:03.002
Could this be the smoking gun
00:00:03.028 --> 00:00:05.006
that proves the legend of the Spanish tunnels?
Duration
6 seconds
Views
20
Timestamp in Movie
00:15:13
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 • E07 Figure out what's going on With the soil chemistry here. - Secrets of the Underground 00:04
Figure out what's going on With the soil chemistry here...
S01 • E02 It works as a beacon, putting out electromagnetic waves - Secrets of the Underground 00:07
It works as a beacon, putting out electromagnetic waves
S01 • E03 Physical anthropologist Janet Monge - Secrets of the Underground 00:08
Physical anthropologist Janet Monge
S01 • E07 Maybe that will answer Some of my questions. - Secrets of the Underground 00:05
Maybe that will answer Some of my questions.
S01 • E08 If it is, maybe The Rock wasn't quite as impregnable as we thought. - Secrets of the Underground 00:05
If it is, maybe The Rock wasn't quite as impregnable as...
S01 • E01 If you look at this, right here behind the poker room - Secrets of the Underground 00:11
If you look at this, right here behind the poker room
S01 • E07 Once again, my trusty c.O.2 Detector paints a grim picture. - Secrets of the Underground 00:06
Once again, my trusty c.O.2 Detector paints a grim picture.
S01 • E02 A receiver above ground uses those waves - Secrets of the Underground 00:07
A receiver above ground uses those waves
S01 • E03 And she's sceptical that all 57 workers who went missing - Secrets of the Underground 00:07
And she's sceptical that all 57 workers who went missin...
S01 • E07 Normally, we're at about 350 parts per million. - Secrets of the Underground 00:05
Normally, we're at about 350 parts per million.
S01 • E02 All right, Rob, I'm heading upstairs. Let's see what we can find. - Secrets of the Underground 00:05
All right, Rob, I'm heading upstairs. Let's see wh...
S01 • E08 I'm in the rec yard of the infamous Alcatraz prison - Secrets of the Underground 00:08
I'm in the rec yard of the infamous Alcatraz prison
S01 • E03 In the 1830s, cholera's fatality rate was about 60%. - Secrets of the Underground 00:06
In the 1830s, cholera's fatality rate was about 60%.
S01 • E01 Essentially it's allowing us to pinpoint our investigation - Secrets of the Underground 00:13
Essentially it's allowing us to pinpoint our investigat...
S01 • E07 It's going up more, More, and more. - Secrets of the Underground 00:05
It's going up more, More, and more.
S01 • E02 Stefan, you just let me know when you're outside of the building, over. - Secrets of the Underground 00:05
Stefan, you just let me know when you're outside of the...
S01 • E03 It really cannot be spontaneous, simultaneous death - Secrets of the Underground 00:09
It really cannot be spontaneous, simultaneous death
S01 • E07 That this volcano Is about to blow? - Secrets of the Underground 00:04
That this volcano Is about to blow?
S01 • E08 And our ground penetrating radar - Secrets of the Underground 00:06
And our ground penetrating radar
S01 • E02 I'm going to use the sonde technology - Secrets of the Underground 00:07
I'm going to use the sonde technology