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A strange alien shrine on a mountain peak, a bridge built in the Alaskan wilderness, and an American castle with a dangerous secret are mysterious deserted engineering projects. New discoveries reveal how they were built and why they were abandoned.

Writing:
  • Philip Grossman

Stars:
Release Date: 2017-04-20
Seasons: 1 2 3 4 5 6 7 8 9 10 11
TMDb: 7.0/10
  • Country: US
  • Language: English
  • Runtime: 42

Other episodes for this season

Armageddon Highway
Episode 1 - Armageddon Highway
Curse of the Haunted Prison
Episode 2 - Curse of the Haunted Pris...
Arctic Hell Pit
Episode 3 - Arctic Hell Pit
Desert Ghost Fort
Episode 4 - Desert Ghost Fort
Conspiracy on Devil's Mountain
Episode 5 - Conspiracy on Devil's Mou...
Secrets of the Alien Shrine
Episode 6 - Secrets of the Alien Shrine
Amazon Ghost Town
Episode 7 - Amazon Ghost Town
Sea Fortress of Doom
Episode 8 - Sea Fortress of Doom