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 ...

All around the world, archaeologists have uncovered mysterious relics revered by ancient cultures for thousands of years. See more in Season 6, Episode 8, "Mysterious Relics." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The ...

Egyptian hieroglyphs depict the use of light bulbs in tombs and secret chambers. See more in Season 5, Episode 3, "Alien Power Plants." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at ...

@ancientsecretdiscoveries Join Erich von Daniken and Andrew Collins, a science and history writer from the UK, for another Zohar Exclusive Podcast Series. Topic of today’s conversation; The True Ancient Aliens - Andrew Collins examines the possibility that what we call Ancient Aliens could be ...

You and your team of scientists are trapped on Mars. Can you figure out how to survive on the desert planet? -- Today is the anniversary of the best-worst day of your life. The best part was discovering a subterranean city on Mars. The worst part was when you lost contact with Earth. You and ...

Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule The location of Egypt's Great Pyramid goes beyond mathematical precision even by todays standards and ancient astronaut theorists believe this is not a coincidence in this clip from Season 12, "The Alien ...