South Dakota
Mt. Rushmore is in South Dakota.
South Dakota
Washington state
Mt. Rushmore has a name after Charles E. Rushmore and the builder named Gotzon Borglum decided to name it Mt. Rushmore in Honor to Charles E. Rushmore.
It is in South Dakota. Your Welcome! 
South Dakota
the mt. rushmore state
4
No, there is not a camera inside Mt. Rushmore
Mount Rushmore National Memorial is located in the US state of South Dakota.
North Dakota in to Mt. Rushmore
Yes, some people spell it Mt Rushmore and other Mount Rushmore.