10. Turtles
The Tortugas Shipwreck: Sunken Wealth in the Keys Estimated Value: $251,000* Year Lost: 1622 Year Found: 2013 Not all underwater treasures are gold. In 1622, a shipwreck near the Florida Keys sent valuable cargo to the ocean floor. In 2013, Odyssey Marine Exploration recovered the remains from 1,329 feet deep.
