where to watch Secrets of the Underground

Secrets of the Underground

2017-02-14 Reality TV-PG

A search for an underground escape route said to have been used by Al Capone. Also: who or what built earthen mounds in Washington state.

Trailer

Storyline

A search for an underground escape route said to have been used by Al Capone. Also: who or what built earthen mounds in Washington state.

First Aired

2017-02-14
Last Aired

2017-12-16
Creator
Genre

Reality, Documentary
Seasons

2
Episodes

16
Status

Returning Series
Language

English
Network

Science

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Stream and watch Secrets of the Underground

Season 1

Season 2

1. Capone's Escape Tunnels

Rob Nelson investigates rumors of a secret underground escape route used by the infamous gangster Al C...More

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.Less

60mins 2017-02-14

2. Mystery of the Serpent Mound

Rob Nelson explores mysterious tunnels beneath Denver's airport and capitol building to investigate ru...More

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

60mins 2017-02-21

3. America's Buried Massacre

Rob Nelson hunts for a legendary mass grave that could expose a dark secret of America's industrial pa...More

Rob Nelson hunts for a legendary mass grave that could expose a dark secret of America's industrial past. High in the mountains, a giant lake is mysteriously disappearing, and Rob uses cutting-edge technology to find out why.Less

60mins 2017-02-28

4. Rocky Mountain Monsters

Rob Nelson examines a set of bizarre markings that suggest a violent clash between prehistoric beasts....More

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.Less

60mins 2017-03-07

5. Great Lakes Bermuda Triangle

Rob descends into a cave 30 feet beneath Texas in search of evidence of a mass extinction event. Then,...More

Rob 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 a Bermuda Triangle-like phenomenon that has caused ships to vanish for centuries.Less

60mins 2017-03-14

6. California's Hidden Doomsday

Rob Nelson heads to California to investigate a network for major fault lines that could set off an un...More

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.Less

60mins 2017-03-21

7. Secret History of the New World

Rob investigates ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,...More

Rob investigates 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.Less

60mins 2017-03-28

8. American Stonehenge

Rob Nelson investigates the mysterious pattern of rocks at the bottom of Lake Michigan known as Underw...More

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.Less