Badlands National Park, located about an hour east of Rapid City, SD, is a fun park for kids. Visit the fossil lab, climb the rocky terrain, or visit a prairie dog town.
Located in South Dakota, about three hours away from Devils Tower and less than an hour from Mount Rushmore, Wind Cave National Park is an underrated park in the National Park system.
The biggest mistake people make when visiting Yellowstone National Park is underestimating its size. Even if you’re not planning on doing extensive hiking, it’ll still take you a few days to tour the park.