For avid naturalists, outdoor recreation enthusiasts, dedicated parks fans, and travel professionals, this newly revised and updated edition is an essential resource. 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. Covering all the assets within America's national parks system, this richly illustrated book will coincide with the centennial anniversary of the National Park Service.