If you want to unplug and reconnect with nature, discover some of the finest, most pristine state parks in the world. Looking for things to do in Iowa? These Best Iowa state parks are a must for those who love the beach, the springs, and cave exploration. Best Iowa State Parks Includes all natural and historical parks, preserves, and recreational areas. This app to Iowa state parks includes information on where to hike, camp, snorkel, scuba dive, boat. and more!