Arches National Park in Moab offers the largest density of natural sandstone arches in the world. Visitors can enjoy biking, camping, rock climbing, and hiking. The Petrified Dunes are a series of once-sand dune frozen in stone, visible from the park road. These are just a small handful of the park's ancient and breathtaking sights, almost all of which are accessible by hiking trails. Arches National Park is located 32…