The sculpture, which famously depicts four former US Presidents as 60-foot granite faces, was constructed between 1927 and ...

1.For starters, there's an unfinished, hidden records room in Mount Rushmore behind Abraham Lincoln's head ... Atlas Obscura ...

But many Americans might not know the secret behind one ... Hall of Records at Mount Rushmore. Where the frontal lobe of Abraham Lincoln's brain would be, there is a secret room that contains ...