White sand beach and turquoise waters in front of Fort Jefferson, Dry Tortugas National Park, Florida Keys, Florida, United States of America, North America

Turquoise waters and white sand beach in front of Fort Jefferson, Dry Tortugas National Park, Florida Keys, Florida, United States of America, North America

Fort Jefferson, Dry Tortugas National Park, Florida Keys, Florida, United States of America, North America

Sandy beach, Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America

Sandy beach, Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America

Layers of lava flows and tuff from the dormant volcano on Isla Tortuga, Baja California, Sea of Cortez, Mexico, North America

Person snorkelling near tropical beach, Dry Tortugas National Park, Florida, United States of America, North America

Passageway, Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America

Lighthouse, Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America

Tropical beach, Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America

Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America

Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America

Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America

Lighthouse, Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America

A fisherman reels in a fish as his pole bends down during the fight.

A blonde woman in a straw hat reels in a fish with blue water in the distance.

A fishing boat speeds through the blue surf spraying white water.

A fishing boat speeds through the blue surf spraying white water.

A fishing boat speeds through the blue surf spraying white water.