South Dakota

Been to that area a lot

FYI Palmer Gulch and Koa Interior did not have Verizon cell service in August of 2013 when we camped at both with the Grandkids

Last fall we stayed again at Sleepy Hollow in Wall- the western entrance to Badlands National Park is in Wall - nice place - you can walk the Wall Drug and the downtown area

I also say Custer State Park, SD. In fact we will be staying there again during the last two weeks in September. :)

Along with all that is mentioned, Dead Wood, SD north of Rapid City is worth visiting at least once also.

It will take more than just a few days to visit them all without being worn out. Vacations should be relaxing. If you are limited for time, choose a few areas of interest that are most important to you. "Must see things" are a matter of personal opinion.

custer state park. you are central to most stuff except badlands, you can see that on your way out in a few hours, also the minute man missle site. a half day is enough for these two.

For the Badlands and Wall Drugs spend a night or two at Interior, SD ~ the White River KOA. For all the other attractions around Rapid City and south try Rafter J Ranch in Hill City, SD. Both parks are nice.

If you have kids, Palmer Gulch KOA. If not, Rafter J Bar. Central to all except Badlands.