Wall Drug Store is a roadside, "tourist trap", extraordinaire! If you can't find a vacation memento there, it does not exist.
Touring the Badlands consists of driving the scenic loop and stopping at several overlooks. There is also a visitor's center with a short movie on the history and wildlife of the park. As you can see from the photos (click to enlarge), it is beautiful place, but not a very hospitable.
On the way back, we stopped in Rapid City for dinner, some shopping, then home. We were bushed!