![Ancient Aliens: Gobekli Tepe (Season 12, Episode 16) | History Ancient Aliens: Gobekli Tepe (Season 12, Episode 16) | History](https://i.ytimg.com/vi/A3aBN2QGn6w/maxresdefault.jpg)
Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists believe that the approximately 12,000-year-old Gobekli Tepe monument in modern-day Turkey may have been built by the survivors of a lost society in this clip from Season 12, Episode 16, "Return to ...
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