Unearthed (2016) Season 6 Episode 4
Mount Rushmore is one of America’s most iconic landmarks, but there are dark mysteries behind its presidential faces; experts use cutting-edge tech and the latest science to reveal what lies beneath the rock and the secret history of its creation.
Serie: Unearthed (2016)
Episode Title: Mount Rushmore: The Hidden Secrets
Air Date: 2019-11-24