Photographs of Fort Jefferson Dry Tortugas National Park

Fort Jefferson Dry Tortugas National Park; National Park Service

Beach Dry Tortugas National Park; National Park Service

Parade magazine, Fort Jefferson Dry Tortugas National Park; National Park Service

Parade ground, Fort Jefferson Dry Tortugas National Park; National Park Service

Coaling wharf Dry Tortugas National Park; National Park Service

Soldier barracks, Fort Jefferson Dry Tortugas National Park; National Park Service

Pier, Fort Jefferson Dry Tortugas National Park; National Park Service

Dock area, Fort Jefferson Dry Tortugas National Park; National Park Service

Moat, Fort Jefferson Dry Tortugas National Park; National Park Service

Ruins, Fort Jefferson Dry Tortugas National Park; National Park Service

Moat, Fort Jefferson, 1907 Dry Tortugas National Park; National Park Service

Moat, Fort Jefferson Dry Tortugas National Park; National Park Service

Soldier's barrack's, Fort Jefferson Dry Tortugas National Park; National Park Service

Sally Port, Fort Jefferson Dry Tortugas National Park; National Park Service

Parade ground, Fort Jefferson Dry Tortugas National Park; National Park Service

Soldier barracks, Fort Jefferson Dry Tortugas National Park; National Park Service

Ruins, Fort Jefferson Dry Tortugas National Park; National Park Service

Beach under cloudy sky Dry Tortugas National Park; National Park Service

Fort Jefferson Dry Tortugas National Park; National Park Service

Parade ground, Fort Jefferson Dry Tortugas National Park; National Park Service

Moat, 1931 Dry Tortugas National Park; National Park Service

Group of workers shoveling ditch Dry Tortugas National Park; National Park Service

Men holding explosives, Fort Jefferson Dry Tortugas National Park; National Park Service

Ruins inside fort, Fort Jefferson Dry Tortugas National Park; National Park Service

Windows on building, Fort Jefferson Dry Tortugas National Park; National Park Service

Parrott rifle, Fort Jefferson Dry Tortugas National Park; National Park Service

Broken moat wall, Fort Jefferson Dry Tortugas National Park; National Park Service

Harbor light, Fort Jefferson Dry Tortugas National Park; National Park Service

Traverse magazines, Fort Jefferson Dry Tortugas National Park; National Park Service

Men holding explosives, Fort Jefferson Dry Tortugas National Park; National Park Service

Building, Fort Jefferson Dry Tortugas National Park; National Park Service

Soldier barracks foundation, Fort Jefferson Dry Tortugas National Park; National Park Service

Bastion, Fort Jefferson Dry Tortugas National Park; National Park Service

Buildings, Fort Jefferson Dry Tortugas National Park; National Park Service

Landscaping of fort, Fort Jefferson Dry Tortugas National Park; National Park Service

Parrot riffle, Fort Jefferson Dry Tortugas National Park; National Park Service

Powder kiln Dry Tortugas National Park; National Park Service

Ruins of fort, Fort Jefferson Dry Tortugas National Park; National Park Service

Soldier's barrack's, Fort Jefferson Dry Tortugas National Park; National Park Service

Ruins of fort, Fort Jefferson Dry Tortugas National Park; National Park Service

Moat, Fort Jefferson Dry Tortugas National Park; National Park Service

Archways, Fort Jefferson Dry Tortugas National Park; National Park Service

Tree obscuring blimp, Fort Jefferson Dry Tortugas National Park; National Park Service

Moat, Fort Jefferson Dry Tortugas National Park; National Park Service

Fort Jefferson lighthouse Dry Tortugas National Park; National Park Service

Moat, Fort Jefferson, 1907 Dry Tortugas National Park; National Park Service

Fort Jefferson parade grounds Dry Tortugas National Park; National Park Service

Parade ground, Fort Jefferson Dry Tortugas National Park; National Park Service

Harbor light, Fort Jefferson, 1945 Dry Tortugas National Park; National Park Service

Pile of bricks at construction site, Fort Jefferson Dry Tortugas National Park; National Park Service