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Secrets of the Underground

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Secrets of the Underground

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Secrets of the Underground Next Episodes

Secret History of the New World

S01, E07
Investigating a cluster of ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,000 years before Columbus; heading to California where a dormant super volcano may be showing new signs of life.
  • Tue 3/28
  • 10:04PM-11:06PM
  • Science

American Stonehenge

S01, E08
Investigating 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.
  • Tue 4/4
  • 10:04PM-11:06PM
  • Science
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Cast of Secrets of the Underground

  • Rob Nelson