Alien Gateways to Other Worlds | Ancient Aliens

From mysterious gateways carved into mountains to glowing doorways in the sky, explore the evidence that ancient portals may have connected Earth to alien worlds. See more in this Ancient Aliens compilation. 0:00 - Chapter 1 Pu'u Loa Petroglyphs 5:25 - Chapter 2 Pyramid Energy Fields 10:38 - Chapter 3 Hidden Portals to Other Realms 14:09 - Chapter 4 Hawaiian Star-Visitor Sanctuary New Episodes Thursdays at 8/7c Watch full episodes 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.