Secrets of the Underground

  • Estreia: Fev 2017
  • Episódios: 16
  • Seguidores: 7
  • Acabou
  • Science Channel
  • Terça-Feira
  • Documentary Reality

Temporadas:

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Temporada 1
1x1
Capone's Escape Tunnels
Episode overview
Data de estreia
Fev 14, 2017
Rob Nelson investigates rumors of a secret, underground escape route used by the infamous gangster Al Capone in Louisville, KY. Also, the Mima mounds in Washington State are explored.
1x2
Mystery of the Serpent Mound
Episode overview
Data de estreia
Fev 21, 2017
Rob Nelson explores mysterious tunnels beneath Denver's airport, capitol building, and downtown to investigate rumors of a secret organization. Also, the ancient secrets of a giant mound shaped like a serpent are investigated.
1x3
America's Buried Massacre
Episode overview
Data de estreia
Fev 28, 2017
Rob Nelson hunts for a legendary mass grave that could expose a dark secret from America's industrial past. Also, cutting edge technology is used to find out why a giant lake in Virginia suddenly vanished.
1x4
Rocky Mountain Monsters
Episode overview
Data de estreia
Mar 07, 2017
Rob Nelson examines a set of bizarre markings on a Colorado ridge that suggest a violent clash between prehistoric beasts. Also, an ancient California lake is investigated to see if it's home to alien life.
1x5
Great Lakes Bermuda Triangle
Episode overview
Data de estreia
Mar 14, 2017
Rob Nelson descends into a Texas cave to uncover ancient remains of an unknown, mass extinction. Also, a phenomenon that's caused ships to disappear for centuries in the placid waters of Lake Michigan is investigated.
1x6
California's Hidden Doomsday
Episode overview
Data de estreia
Mar 21, 2017
Rob Nelson heads to California to investigate a network of major fault lines that could set off a massive earthquake. Also, a mysterious sinkhole is explored that some believe is a portal to the center of the Earth.
1x7
Secret History of the New World
Episode overview
Data de estreia
Mar 28, 2017
Rob Nelson investigates a cluster of ancient ruins that suggest Europeans arrived in North America almost 1,000 years before Columbus. Also, a dormant supervolcano may be showing new signs of life.
1x8 Final da temporada
American Stonehenge
Episode overview
Data de estreia
Abr 04, 2017
Rob Nelson uses state-of-the-art technology to search for rumored escape tunnels deep beneath Alcatraz. Also, a mysterious pattern of rocks is investigated at the bottom of Lake Michigan.

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