Uploaded September 2026 | Updated September 2026, 3 weeks ago

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Across the world, ancient civilizations constructed massive monuments with remarkable precision, mysterious materials and connections to the heavens. From the pyramids of Teotihuacan and Egypt to the colossal stones of Baalbek and Japan's mysterious “rock ships,” Ancient Aliens investigates whether some of Earth's greatest archaeological sites reveal evidence of advanced extraterrestrial influence.

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"Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

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