It's been 100 years since Mount Rushmore was dedicated as a national monument, on land promised to the Sioux Nation by treaty.

There is a place where granite giants rise from the forest, their faces staring out across centuries and stirring the deepest ...

One of America's most iconic landmarks, Mount Rushmore holds a hidden secret. While most know it depicts four former US Presidents, few realize architect Gutzon Borglum had a much grander vision.