UFOs

At an ancient pyramid complex in Mexico dating back to the first century AD, archaeologists explore hidden tunnels beneath the temple—uncovering mysterious chambers where strange gold spheres raise provocative questions about advanced knowledge or otherworldly influence. See more in Season 18, Episode 4, "Extraterrestrial Engineering."

Watch new episodes New Episodes Thursdays 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

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

The HISTORY® Channel, a division of A+E Global Media, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. The HISTORY® channel has been named the #1 U.S. TV network in buzz for seven consecutive years by YouGov BrandIndex, and a top favorite TV network by Beta Research Corporation. For a deeper dive, visit history.com or follow @history on Instagram, Twitter, Facebook, YouTube and TikTok.

This marathon explores the most chilling Ancient Aliens theories, from close encounters with extraterrestrial beings to shocking claims that aliens may be connected to the undead and humanity’s darkest mysteries. See more in this Ancient Aliens marathon.

Watch new episodes New Episodes Thursdays 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
Instagram – https://www.instagram.com/history
TikTok – https://www.tiktok.com/@history

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

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

Across cultures and centuries, shocking accounts suggest that beings from other dimensions may have interacted with humanity, raising the possibility that reality itself is far more complex than we ever imagined. See more in this Ancient Aliens compilation.

Watch new episodes New Episodes Thursdays 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
Instagram – https://www.instagram.com/history
TikTok – https://www.tiktok.com/@history

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

The HISTORY® Channel, a division of A+E Global Media, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. The HISTORY® channel has been named the #1 U.S. TV network in buzz for seven consecutive years by YouGov BrandIndex, and a top favorite TV network by Beta Research Corporation. For a deeper dive, visit history.com or follow @history on Instagram, Twitter, Facebook, YouTube and TikTok.