Custer State Park in South Dakota was AWESOME. Especially Stockade South. I'm from Nebraska and we have some great state parks as well. Branched Oaks outside of Lincoln is a favorite. Also, Calamus State Rec Area has great sites, a huge lake and is on the edge of the famous Sandhills. And we have a state rec area just down the road that we love because it is close when we weekend activities we need to run to. It's not fancy, but the spots are big and there is good shade - plus we have all of our favorite spots picked out.