With infrared satellite technology, many believe we have found pyramids beneath the surface of the earth, launching an age of discovery that could rewrite history. See more in Season 1, Episode 16, "Aliens & Pyramids."

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 http://history.com/schedule.

#AncientAliens

Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows:
http://histv.co/SubscribeHistoryYT

Find out more about the show and watch full episodes on our site:
https://histv.co/AncientAliens

Check out exclusive The HISTORY Channel content:
History Newsletter https://histv.co/newsletter
Website https://histv.co/History
Facebook https://histv.co/Facebook
Twitter https://histv.co/Twitter

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

HISTORY® is the leading destination for awardwinning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s alloriginal programming slate features a roster of hit series, premium documentaries, and scripted event programming.