When traveling around the country many casual travelers will miss the opportunity to stay at some of the most picturesque campgrounds or RV Parks simply because they do not use enough search engines. Here are a few to add to your list and they will lead you to other like sites.
http://www.rv-camping.org/COECampgrounds.html
http://www.reserveamerica.com/
http://www.campgrounds-by-city.com/
CW