Florida's Dry Tortugas National Park and Fort Jefferson

Located about 70 miles west of Key West in Dry Tortugas National Park sits the largest masonry structure in the Western Hemisphere, an abandoned 19th-century fort that was never completed. Fort Jefferson is huge and desolate, but its impressive masonry and tropical surroundings make it so much more than an abandoned More than 60,000 people visit the park every year and enjoy activities such as snorkeling, bird watching, kayaking, saltwater fishing and even camping.