1. Wall Drug
What is it? What started as a small drug store offering free ice water in the 1930s has expanded into an attraction with a shop selling cowboy gear, a restaurant with a collection of Western art, and an assortment of oversized fiberglass animals in the backyard.
Why go? If you’ve ever driven within 500 miles of it, you’ve probably seen a billboard for Wall Drug. (There was once a sign for it on the London tube, too.) You probably won’t be able to resist this advertising – two million people visit annually. And ice water is still free.