最老/最新的美國國家公園

以下是根據近幾年來積累的網上信息編緝而成。玩玩而已。望指教。
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最老的
Name (State) Year authorized

1 Yellowstone (Wyo.-Mont.-Idaho) 1872
2 Kings Canyon (Calif.) 1890
3 Sequoia (Calif.) 1890
4 Yosemite (Calif.) 1890
5 Mount Rainier (Wash.) 1899
6 Crater Lake (Ore.) 1902
7 Wind Cave (S.D.) 1903
8 Mesa Verde (Colo.) 1906
9 Glacier (Mont.) 1910
10 Rocky Mountain (Colo.) 1915
11 Haleakala (Hawaii) 1916
12 Hawaii Volcanoes (Hawaii) 1916
13 Lassen Volcanic (Calif.) 1916
14 Denali (Alaska) 1917
15 Acadia (Maine) 1919

最新的
Name (State) Year authorized

1 Congaree (S.C.) 2003
2 Wolf Trap Farm (Va.) 2003
3 Cuyahoga Valley (Ohio) 2000
4 Black Canyon of the Gunnison (Colo.) 1999
5 Death Valley (Calif.-Nev.) 1994
6 Joshua Tree (Calif.) 1994
7 Saguaro (Ariz.) 1994
8 Dry Tortugas (Fla.) 1992
9 National Park of American Samoa 1988
10 Great Basin (Nev.) 1986