description About
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.
Info
- verified Status: Returning Series
- person By: Philip Grossman
- calendar_month Release Date: 2018-04-24
- video_camera_front Companies Travel Channel, Science Channel, Procter & Gamble Productions, Like A Shot Entertainment
- tag Season: Season 2
- timer Episode Runtime: 45 Mins
- star Rating: 0 / 10
- visibilityViews: 3 views
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