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HD Secrets of the Underground

Secrets of the Underground

EPS05

Secrets of the Underground

HD
IMDb: 6.8
2017
60 min

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 geological occurrences that offer glimpses into our history. Written by Nick Reed

Country: USA
Genre: Documentary,
Watch Episode
HD Secrets of the Underground

Secrets of the Underground

EPS08

Secrets of the Underground

HD
IMDb: 8.0
2017
41 min

Rob Nelson investigates the mysterious pattern of rocks at the bottom of Lake Michigan known as Underwater Stonehenge. At the notorious Alcatraz prison, Rob uses state-of-the-art technology in search of rumored escape tunnels.

Country:
Genre: Documentary,
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HD Secrets of the Underground

Secrets of the Underground

EPS07

Secrets of the Underground

HD
IMDb: 0
2017
42 min

Rob Nelson investigates investigates a cluster of ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,000 years before Columbus. Then, he heads to California where a dormant super volcano may be showing new signs of life.

Country:
Genre: Documentary,
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HD Secrets of the Underground

Secrets of the Underground

EPS06

Secrets of the Underground

HD
IMDb: 0
2017
41 min

Rob Nelson heads to California to investigate a network for major fault lines that could set off an unprecedented mega-quake. Then, he explores a mysterious sinkhole that some believe is an endless pit to the center of the Earth.

Country:
Genre: Documentary,
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HD Secrets of the Underground

Secrets of the Underground

EPS05

Secrets of the Underground

HD
IMDb: 8.6
2017
41 min

Rob Nelson descends into a cave 30 feet beneath Texas in search of evidence of a mass extinction event. Then, he heads to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries.

Country:
Genre: Documentary,
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HD Secrets of the Underground

Secrets of the Underground

EPS04

Secrets of the Underground

HD
IMDb: 0
2017
42 min

Rob Nelson examines a set of bizarre markings that suggest a violent clash between prehistoric beasts. In California, he investigates if a strange lake is a home to alien life.

Country:
Genre: Documentary,
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HD Secrets of the Underground

Secrets of the Underground

EPS03

Secrets of the Underground

HD
IMDb: 8.7
2017
43 min

What caused the deaths of 57 Irish railroad workers in 1832 Pennsylvania at a place called Duffy's Cut. And then, we look at Mountain Lake in Virginia that has mysteriously lost most of it's water.

Country:
Genre: Documentary,
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HD Secrets of the Underground

Secrets of the Underground

EPS02

Secrets of the Underground

HD
IMDb: 8.5
2017
44 min

Rob Nelson explores mysterious tunnels beneath Denver's airport, capitol building, and downtown to investigate rumors of a secret organization that operates below. In Ohio, he tries to uncover the ancient secrets of a giant mound shaped like a serpent.

Country:
Genre: Documentary,
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HD Secrets of the Underground

Secrets of the Underground

EPS01

Secrets of the Underground

HD
IMDb: 0
2017
41 min

Rob Nelson investigates rumors of a secret underground escape route used by the infamous gangster Al Capone. In Washington state, Rob tries to uncover who or what built a vast landscape of earthen mounds in Washington state.

Country:
Genre: Documentary,
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