Are first vacation as a retired couple was to South Dakota and Wyoming areas, There are so many things to site see and do in these area This is also the areas that Sturgis is also held in. That can be fun just seeing all the bikes and activities 
that is also brings in to this beautiful area. The hills are something to see with wildlife area to drive threw and then the monuments the presidents and crazy horse and the night shows that they have. But then you go a way from the hills and into Wyoming where you come to the Devils Tower must see the formation of this tower in a must see the columns and the history of this tower and also the movie that made it even more famous then it already was for this area. Joe Olujic can tell you about Devils Tower.