To celebrate the National Park Service's 100th anniversary this August, USA TODAY will be highlighting one national park per week in a countdown to the centennial on August 25th. From a wilderness so inaccessible that you can only get to the park via seaplane or boat at Isle Royale National Park to 1,238 square miles of desert oasis in Joshua Tree National Park, we turn now to the 1.5 million acres of watery grasslands that is Everglades National Park. Take a virtual trip through the Everglades in video and photos, then read up on tips for visiting.
