description About
A strange Cuban prison, an eerie escape route built for Armageddon, and an underwater marvel that changed history are mysterious deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.
Info
- verified Status: Returning Series
- person By: Philip Grossman
- calendar_month Release Date: 2018-03-20
- video_camera_front Companies Travel Channel, Science Channel, Procter & Gamble Productions, Like A Shot Entertainment
- tag Season: Season 2
- timer Episode Runtime: 42 Mins
- star Rating: 6 / 10
- visibilityViews: 3 views
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starUser Ratings:
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