Mount Rushmore: The Hidden Secrets
- Episode aired Jan 24, 2021
- 44m
Mount Rushmore is one of North America's most iconic landmarks. Experts use cutting-edge technology to reveal what lies beneath the rock.Mount Rushmore is one of North America's most iconic landmarks. Experts use cutting-edge technology to reveal what lies beneath the rock.Mount Rushmore is one of North America's most iconic landmarks. Experts use cutting-edge technology to reveal what lies beneath the rock.