From recreation areas and trails to historic sites, from nature hikes to seashores, this comprehensive travel guide and reference to the United States National Parks has been completely revised and updated, with a brand-new cover, more than 30 new photos, and 15 new properties that have been approved by President Barack Obama since the publication of the first edition. The ultimate travel planner and reference guide for all things national parks, this 544-page resource from National Geographic is 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.