Cumberland Island is packed with beautiful trails and pristine beaches islands.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from islands.com Daily Mail and Mail on Sunday newspapers.
From sea caves to marsh channels, wild campsites and sandy paths, these are the most beautiful beaches in U.S. national parks. Bring your snorkel, your surfboard, your kayak, or bare feet.