A hidden vault behind Lincoln's head at Mount Rushmore holds important U.S. documents, but this secret room is closed to the public except for a lucky few.

Oops! The planned National Garden of American Heroes accidentally serves to highlight the importance of welcoming ...

South Dakota’s governor has already proposed putting it in the Black Hills region near Mount Rushmore. How Trump policies turn some 'American heroes' into 'illegal' immigrants ...

Mount Rushmore hides a secret room few people know about. Behind Abraham Lincoln’s carved face sits an unfinished chamber cut ...