5 Things You Didn’t Know About Mount Rushmore

This year marks the 75th anniversary of our country's massive mountain sculpture, Mount Rushmore. It started as a quest to drum up tourism in South Dakota. It quickly became known as a shrine to democracy, and a memorial so monumental that it's visited by 3 million visitors a year. The List’s Teresa Strasser has five other things you didn't know about Mt. Rushmore.