Dry Tortugas National Park is one of the least visited national parks in the United States, with only visitors per year. This is primarily due to its remote location 70 miles west of Key West. It is also the most aquatic of all the US national park
Where to snorkel in Florida: Dry Tortugas National Park, Florida; I have snorkeled these waters and loved it. Saw the biggest lobster ever here in Dry Tortugas off Loggerhead Key. Big as my thigh, unreal !
The walls of Fort Jefferson are situated on tropical Garden Key, presently part of Dry Tortugas National Park near Key West. There's no fresh water here at all, which makes it hard to imagine how a fort was built.