ort Jefferson is a massive but unfinished coastal fortress. It is the largest masonry structure in the Americas, and is composed of over 16 million bricks.
Photo Credit: NPS Photo / Maria Belen Farias
Photo of Dry Tortugas National Park
Dry Tortugas National Park
100 Grinnell St, Yankee Freedom Dry Tortugas Ferry, Key West, Florida 33034 USA