The Dry Tortugas is a group of small islands located about 70 miles west of Key West, Florida. It is part of the Dry Tortugas National Park, which was established to protect its unique ecosystems and historical sites. The park is known for its crystal-clear waters, coral reefs, and diverse marine life, making it a popular destination for snorkeling and birdwatching. One of the most notable features of the Dry Tortugas is Fort Jefferson, a massive coastal fortress built in the 19th century. The fort played a role in the Civil War and is one of the largest brick structures in the Americas. Visitors can explore the fort and learn about its history while enjoying the natural beauty of the surrounding area.