An alien Stonehenge with a sinister purpose, an eerie building filled with strange labyrinths, and an endless concrete track in the middle of nowhere are deserted engineering projects, and new discoveries reveal why they were abandoned.
| Title | Secrets of Alien Stonehenge |
|---|---|
| Genres | Documentary |
| Release Date | 2018-12-11 |
| Episode Runtime | 00 Hours 42 Minutes |
| Season Number | 3 |
| Episode Number | 10 |
| Production Companies | Travel Channel, Science Channel, Procter & Gamble Productions, Like A Shot Entertainment |
