The Hidden Room Behind Mount Rushmore...
Sculptor Gutzon Borglum was responsible for the mo... ...information about the monument. He called it the Hall of Records .After all, Borglum reasoned, what did we really k... ...onstitution and the Bill of Rights.And there is a hall carved from the rock behind Mount Rushmore...
https://www.neatorama.com/2017/01/23/The-Hidden-Room-Behind-Mount-Rushmore/
