
Sculptor Gutzon Borglum was responsible for the mo... ...e for the monument to four presidents carved into Mount Rushmore in South Dakota. The project took 14 years to com... ...pyramids? Civilizations could rise and fall while Rushmore stood, its origins getting more clouded with time... ...the information a...
http://www.neatorama.com/2017/01/23/The-Hidden-Room-Behind-Mount-Rushmore/