National Geographic Guide to the National Parks - 9th Edition

From the publisher: There's simply no better getaway in the United States than a visit to one of the country's 62 national parks from Alaska to the Virgin Islands, from Maine to America Samoa. Updated throughout with the latest information from park rangers and National Geographic's own acclaimed travel writers, this fully revised and comprehensive guidebook includes the newest additions to the United States park system—Indiana Dunes, White Sands and Gateway Arch national parks. Whether you're looking to explore the underground world of Mammoth Caves or make your way through the mangroves of Everglades National Park, you'll find a destination that suits your needs, and inspiration to plan your next wild adventure.