A forgotten city in the cliffs of Colorado and a desolate complex of windowless buildings in the Rust Belt now stand in ruins; experts investigate the secrets of these deserted American mysteries to uncover how they were built and why they were abandoned. This episode is a mashup of S07E08 "Ruins of the Rust Belt," S05E06 "Secrets of the Doomsday Caves," and S04E07 "Alien Hell Portal." |
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Title: | Ruins of a Desolate Heartland | |
Air Date: | February 22, 2021 | |
Runtime: | 60 min | |
Genres: | Mystery History | |
Alien : Contains spoilers. Click to show. Stay away from Miami, Arizona .