Watch Project Blue Book, Tuesdays at 10/9c! The team travels to Sedona, Arizona, long known for strange phenomena, to interview witnesses to unexplained sightings of lights and objects in the skies in Season 1, Episode 8, "UFO Vortexes". #UFOHunters Subscribe for more from UFO Hunters and other great HISTORY shows: po.st/SubscribeToHistory Find out more about this and other specials on our site: po.st/History_UFOHunters Check out exclusive HISTORY content: History Newsletter: po.st/HistoryNewsletter Website - po.st/HistoryWeb Facebook - po.st/HistoryFacebook Twitter - 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.