Ancient Aliens Unexplained Structures (Season 2, Episode 8)
TV-PG
TV Episode | 43 min | Documentary, History, Sci-Fi

Primary photo for Unexplained Structures

Ancient Aliens

Unexplained Structures (Season 2, Episode 8)

TV-PG

TV Episode | 43 min | Documentary, History, Sci-Fi

From The History Channel : "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...See moreFrom The History Channel : "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?" Written by slostenracing See less

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Cast	+ Add Cast
20 cast members

Name	Known for
Linda Moulton Howe Self - Investigative Journalist, Earthfiles Self - Investigative Journalist, Earthfiles See fewer	A Strange Harvest (1980)
Graham Hancock Self - Author, Underworld: The Mysterious Origins of Civilization Self - Author, Underworld: The Mysterious Origins of Civilization See fewer	Underworld: Flooded Kingdoms of the Ice Age (2002)
Robert Schoch Self - Geologist / Author (as Robert M. Schoch Ph.D.) Self - Geologist / Author (as Robert M. Schoch Ph.D.) See fewer	Riddle of the Sphinx: The Awakening (2021)
Andrew Collins Self - Author, Gateway to Atlantis Self - Author, Gateway to Atlantis See fewer	Ancient Aliens (2009)
Philip Coppens Self - Author / Investigative Journalist Self - Author / Investigative Journalist See fewer	Alien Crash at Roswell: The UFO Truth Lost in Time (2013)
David Childress Self - Author: Technology of the Gods Self - Author: Technology of the Gods See fewer	Pole to Pole
Jason Martell Self - Author, Knowledge Apocalypse Self - Author, Knowledge Apocalypse See fewer	Ancient Astronauts: Our Extraterrestrial Legacy (2011)
John Brandenburg Self - Engineer Self - Engineer See fewer	Ancient Aliens (2009)
Christopher Dunn Self - Author, Lost Technologies of Ancient Egypt Self - Author, Lost Technologies of Ancient Egypt See fewer	The UnXplained (2019)
Jorge Luis Delgado Mamani Self - Co-Author, Andean Awakening Self - Co-Author, Andean Awakening See fewer	Ancient Aliens (2009)
Giorgio A. Tsoukalos Self - Publisher, Legendary Times Magazine Self - Publisher, Legendary Times Magazine See fewer	Resident Alien (2021)
David Wilcock Self - Author / Filmmaker Self - Author / Filmmaker See fewer	The Recall (2017)
Erich von Däniken Self - Author, Chariots of the Gods Self - Author, Chariots of the Gods See fewer	Egypt (2003)
Nicholas Howarth Self - Geographer, Oxford University Self - Geographer, Oxford University See fewer	Nasty Pieces of Work (2013)
Rusty McClure Self - Author, Coral Castle Self - Author, Coral Castle See fewer	Dossiers mystère (2006)
George Noory Self - Radio Host, Coast to Coast AM Self - Radio Host, Coast to Coast AM See fewer	Alien Armageddon (2011)
Sara Seager Self - Prof, of Planetary Sciences, MIT (as Sara Seager Ph.D.) Self - Prof, of Planetary Sciences, MIT (as Sara Seager Ph.D.) See fewer	NOVA Universe Revealed (2021)
Robert Clotworthy Narrator (voice) Narrator (voice) See fewer	Red Notice (2021)
Ed Leedskalnin Self (archive footage) Self (archive footage) See fewer	Smoke Painter (1942)
Savak Yildiz Self - Shepherd (archive footage) (uncredited) Self - Shepherd (archive footage) (uncredited) See fewer