Is Mount Rushmore just a simple monument, or could it be hiding secrets from the public? Mount Rushmore is a sculpture located in the Black Hills of South Dakota that features the faces of four U.S. presidents carved into granite. It was created between 1923 and 1941 and is now a well-known tourist attraction. However, many people have become interested in something less visible than the monument itself—the hidden chamber behind Abraham Lincoln’s face. Because this chamber is