A mysterious rock bearing a cryptic design was discovered in Roswell, New Mexico in 2004. See more in this scene from Season 1, Episode 4, "The Roswell Rock." #InSearchOfAliens Subscribe for more from In Search Of 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://www.history.com/shows/in-search-of Check out exclusive The HISTORY Channel content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Twitter - https://histv.co/Twitter Hosted and executive produced by Emmy-nominated actor Zachary Quinto, and inspired by the iconic 1970s’ franchise, the series will examine unexplained phenomena from all over the world. UFOs and paranormal mysteries remain relevant as the Pentagon recently acknowledged a secret UFO program which investigated sightings of UFOs from 2007 – 2012. 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.