Source video: HISTORY
Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials and More! Witnesses have reported a giant Thunderbird in the skies above California and local legend says that it came from a portal at the bottom of Lake Elizabeth, also known as the Lake of the Devil in this clip from Season 8, "Alien Transports." #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://po.st/SubscribeToHistory Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check out exclusive HISTORY content: History Newsletter: http://po.st/HistoryNewsletter Website - http://po.st/HistoryWeb Facebook - http://po.st/HistoryFacebook Twitter - http://po.st/HistoryTwitter 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.