Mysterious tombs, reptilian legends, and possible alien encounters reveal an unexplained past. Find out more in this Ancient Aliens compilation. 0:00 — Keyhole Tombs and Qin’s Mercury Mausoleum 5:59 — The Kingman UFO Crash and J-Rod at Area 51 10:31 — Saqqara’s Underground Sarcophagi and Lost Technology 16:48 — Lizard Cities Beneath Los Angeles and India 22:14 — The Kailasa Temple and Its Hidden Alien Machines #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.