Region
Ohio
Cuyahoga Valley National Park (Ohio)
24
Ohio and Erie Canal National Heritage Corridor (Ohio)
15
Virginia Kendall Reserve (Ohio)
7
Ohio and Erie Canal National Heritage Corridor
5
Peninsula (Ohio)
4
Cuyahoga Valley National Park
3
Boston Village (Summit County)
2
Boston Village (Summit County, Ohio)
2
Hopewell Culture National Historical Park (Ohio)
2
Perry's Victory and International Peace Memorial (Put-in-Bay, Ohio)
2
Virginia Kendall Reserve
2
Cincinnati
1
Dayton Aviation Heritage National Historical Park (Ohio)
1
Hopewell Culture National Historical Park
1
James A. Garfield National Historic Site (Mentor, Ohio)
1
Mentor
1
United States
1
William Howard Taft National Historic Site (Cincinnati, Ohio)
1