![Ancient Aliens: Mystic Mystery Within Great Pyramid of Khufu (Season 5) Ancient Aliens: Mystic Mystery Within Great Pyramid of Khufu (Season 5)](https://i.ytimg.com/vi/8VCrMjLhsFI/maxresdefault.jpg)
The Pyramid of Khufu is an engineering marvel, but its origins remain unknown, leaving Theorists to believe otherworldly gods might've had a hand in its construction, in this clip from Season 5, "Secrets Of The Pyramids." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up ...
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