You'll also be able to see all the Wall Drugstore signs and go get your free glass of water. Wall Drug is your stereotypical tourist store on steroids, which makes it almost a tourist attraction. You might also check Custer National Park as it is recommended. Some people like visiting Deadwood (particularly if they've seen the TV series). The issue with Deadwood is that while it has some historic locations, there are casinos there now, as well.