Mount Rushmore features 60-foot sculptures of the heads of four United States presidents.
The Lincoln Borglum Museum showcases exhibits on the creation and meaning of the Mount Rushmore National Memorial.
Rushmore Cave is an intricate cavern system located near Keystone, South Dakota.
Bedrock City was a Flintstones-themed amusement park and camping resort in Custer, South Dakota.
Reptile Gardens holds the Guinness World Record for the world's largest reptile zoo.
Dinosaur Park is a tourist attraction featuring large dinosaur sculptures.
Jewel Cave is renowned for its breathtaking calcite crystals.