South Dakota is an incredible state with a tremendous variety of recreational opportunities with six National Park Service sites and 63 state parks or recreation areas scattered across the state. Whether your interests are history, geology, wildlife and biology, hiking, cave exploration, Native American culture, scenic drives or camping, you're sure to find something you'll love in The Mount Rushmore state. I spent just three days exploring the western part of the state one summer and found all of these things less than 100 miles from Custer, SD.