The area of Steamtown National Historic Site is 252,847.589271552 square meters.
The area of Andersonville National Historic Site is 2,080,084.2011136 square meters.
The area of Christiansted National Historic Site is 109,872.15186816 square meters.
The area of Hampton National Historic Site is 251,066.972445696 square meters.
The area of Nicodemus National Historic Site is 651,543.8840064 square meters.
The area of Fort Raleigh National Historic Site is 2,075,754.064741632 square meters.
The area of Lincoln Home National Historic Site is 49,533.522610176005 square meters.
The area of Fort Vancouver National Historic Site is 785,090.1459456 square meters.
The area of Charles Pinckney National Historic Site is 115,133.06521728 square meters.
The area of Jimmy Carter National Historic Site is 287,326.8059904 square meters.
The area of Hopewell Furnace National Historic Site is 3,431,734.2461952 square meters.
The area of Tuskegee Airmen National Historic Site is 180,934.95064550402 square meters.
The area of Minuteman Missile National Historic Site is 60,702.846336 square meters.