If ancient aliens visited Earth, can evidence of their existence be found in the mysterious structures that still stand throughout the world? Inexplicably, megalithic structures found on different continents are strikingly similar, and the cutting and moving of the massive stones used to build these magnificent feats would be a struggle for modern day machinery, let alone ancient man. Ancient astronaut theorists suggest that the standing stones in Carnac, France were used as an ancient GPS system for ancient flying machines. The recently discovered Gobekli Tepe in Turkey, which has been dated back 12,000 years, has finely chiseled pillars that experts describe as a Noah's Ark in stone. Is it possible that extraterrestrials assisted primitive man in constructing these unexplained structures? If so, what was the purpose of these grand projects?
| Title | Ancient Aliens - Season 2 Episode 8 : Unexplained Structures |
|---|---|
| Alternative Titles | Nos ancêtres les extraterrestres, 远古外星人, Ancient Aliens - Neue Erkenntnisse, Generacion alien, Alienígenas ancestrales, Alien Theory, 古代の宇宙人, Goście z Przeszłości, Drevni vanzemaljci |
| Subtitle Available |
 ETC.
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| First Air Date | 2010-04-20 |
| Last Air Date | 2026-01-22 |
| Number of Episodes | 285 |
| Number of Seasons | 22 |
| Genres | Documentary, Mystery, Sci-Fi & Fantasy, |
| Networks | History, |
| Casts | Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok, Jonathan Young, David Childress, Erich von Däniken, Linda Moulton Howe, David Wilcock, George Noory, Philip Coppens, Nick Pope |
| Plot Keywords | , |
Episodes List
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Ancient Aliens Season 2 :Episode 1 Mysterious Places Mysterious Places
2010-10-28Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 2 :Episode 2 Gods & Aliens Gods & Aliens
2010-11-04Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 2 :Episode 3 Underwater Worlds Underwater Worlds
2010-11-11Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 2 :Episode 4 Underground Aliens Underground Aliens
2010-11-18Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 2 :Episode 5 Aliens and the Third Reich Aliens and the Third Reich
2010-11-25Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 2 :Episode 6 Alien Tech Alien Tech
2010-12-02Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 2 :Episode 7 Angels and Aliens Angels and Aliens
2010-12-09Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 2 :Episode 8 Unexplained Structures Unexplained Structures
2010-12-16Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 2 :Episode 9 Alien Devastations Alien Devastations
2010-12-23Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 2 :Episode 10 Alien Contacts Alien Contacts
2010-12-30Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
