Stream ItSecrets of the Alien Shrine
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.
Aired: Apr 24, 2018 Genre: DocumentaryCasts: Kasper MichaelsCreated By: Philip GrossmanDuration: 42m Rating: 0 Country: United States of America Production: Travel Channel, Science Channel, Procter & Gamble Productions, Like A Shot Entertainment
