What’s Inside the Secret Chamber Atop South Dakota’s Mount Rushmore?
Many of us have had the pleasure of visiting South Dakota's most famous monument, but did you know there's a secret chamber on top of it?
Mount Rushmore's Secret Chamber
It may not be like the National Treasure movie but it's still a pretty cool story as to how that secret chamber came to be. For more information on the Hall of Records click here.
For a video on this secret room, check out the link below from Business Insider.