America's 20 most-visited National Monuments
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14. Fort Pulaski National Monument, Ga.( National Park Service )
Located just 15 minutes east of Savannah, Ga., Fort Pulaski offers visitors everything from musket and canon-firing demonstrations to kayaking and bird-watching. The fort was completed in 1847, but was destroyed in the Civil War.
Visitors in 2009: 435,661
More info: http://www.nps.gov/fopu/index.htm