Complete National Parks of the United States (National Geographic, 2nd Edition)

National Geographics comprehensive travel guide to recreation areas, trails, historic sites, nature hikes, seashores, camping, and campgrounds is for everyone who loves outdoor recreation. This reference is an ultimate travel planner for all things national parks, filled with full-color photos, detailed maps, historical background, and practical facts on the location of the park system properties, as well as the best times to visit and top-rated activities