Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule In the sky over an area of California, there has been an increase of strange ... source

Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule During a training exercise off the coast of southern California, Navy pilots ... source

Watch all new episodes of Unidentified: Inside America's UFO Investigation, Saturdays at 10/9c, and stay up to date on all of your favorite History Channel shows ... source

We explore Incredible New Information in regards to the Mysterious Bosnian Pyramid! Become a Member! https://www.youtube.com/channel/UCuBPlZTF6TGO0g58QgcgsxA/join UFO Youtube Channel Thirdphaseofmoon! Share Your Incredible UFO Videos To the World! Upload your UFO Video To Youtube, Then Copy Paste ...

Watch all new episodes of Unidentified: Inside America's UFO Investigation, Saturdays at 10/9c, and stay up to date on all of your favorite History Channel shows ... source

Watch the two-hour season finale of Unidentified: Inside America's UFO Investigation, Saturday at 9/8c, and stay up to date on all of your favorite History Channel ... source

Watch all new episodes of The Secret of Skinwalker Ranch, Tuesdays at 10/9c, and stay up to date on all of your favorite History Channel shows at ... source

Watch Unidentified: Inside America's UFO Investigation, returning soon, and stay up to date on all of your favorite History Channel shows at ... source

Watch all new episodes of Unidentified: Inside America's UFO Investigation, Saturdays at 10/9c, and stay up to date on all of your favorite History Channel shows ... source

Watch Unidentified: Inside America's UFO Investigation, returning soon, and stay up to date on all of your favorite History Channel shows at ... source

ANCIENT ALIENS Season 13 Clip - Sheffield Abduction (2020) History Channel Investigators circle the globe in search of evidence in their quest to determine ... source