This fascinating compilation explores California’s most mysterious UFO sightings, ancient legends, and unexplained encounters, examining whether the Golden State has long been a hotspot for extraterrestrial activity. 0:00 San Diego's Tic Tac UFO 4:09 Unexplained Disappearances 8:40 The Thunderbird 13:05 Mount Shasta 18:12 Aliencon 21:22 Ancient Atomic Weapons? Watch New Episodes Thursdays 10/9c 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.