Region
California
3
Chesapeake and Ohio Canal National Historical Park
2
Great Smoky Mountains National Park (N.C. and Tenn.)
2
Michigan
2
Sleeping Bear Dunes National Lakeshore
2
Sleeping Bear Dunes National Lakeshore (Mich.)
2
Yosemite National Park (Calif.)
2
Yosemite Valley
2
Yosemite Valley (Calif.)
2
Cades Cove
1
California National Historic Trail
1
Craters of the Moon National Monument
1
Craters of the Moon National Monument (Idaho)
1
Great Falls Park
1
Great Falls of the Potomac (Md. and Va.)
1
Harpers Ferry National Historical Park
1
Idaho
1
Kings Canyon National Park (Calif.)
1
Mormon Pioneer National Historic Trail
1
Oregon National Historic Trail
1
Pony Express National Historic Trail
1
Rio Grande (Colo.-Mexico and Tex.)
1
Sequoia National Park (Calif.)
1
Tennessee
1
Texas
1
United States
1
Virginia
1
West (U.S.)
1