Big Biloxi campground, DeSoto National Forest in Mississippi, is an excellent example of a destination campground from which one can also enjoy day trips, in this case to the Gulf Coast. See this short slide show -
http://www.forestcamping.com/dow/gallery/Big%20Biloxie/. For information about the campground, go to
http://www.forestcamping.com/dow/southern/deso.htm.