In the next episode, a derelict research facility harbors hidden truths and unspoken histories, as a clandestine Nazi endeavor reaches a chilling conclusion.
Aired: Apr 20, 2017Discover the forgotten tales behind the mysterious abandonment of a colossal ...
Aired: Apr 26, 2017In the next episode, a once-thriving industrial area lies in ruin, its remnan...
Aired: Apr 27, 2017The next episode delves into the captivating past of the Kinzua Viaduct, a 19...
Aired: May 4, 2017Abandoned landmarks conceal the truth about a former nuclear testing facility...
Aired: May 11, 2017Mysterious remnants of abandoned engineering projects conceal the secrets of ...
Aired: May 18, 2017In the next episode, a derelict research facility harbors hidden truths and u...
Main Cast
Appearances
Creators
Seasons: 12
Current Status: Returning Series
Network: Science
Production Country: United States
Genres:Documentary
