Region
United States
192
Colorado
144
California
102
West (U.S.)
89
Santa Fe National Historic Trail
67
Oregon
53
New Mexico
52
Michigan
45
Oregon National Historic Trail
44
Utah
44
Ohio
37
Virginia
32
Arizona
29
Wisconsin
29
Southwest, New
25
Lewis and Clark National Historic Trail
24
Shenandoah National Park
24
Shenandoah National Park (Va.)
24
North Dakota
23
Texas
23
Idaho
21
Massachusetts
21
Montana
21
Washington (State)
21
Cuyahoga Valley National Park
20
Cuyahoga Valley National Park (Ohio)
20
New Jersey
20
Nevada
19
Wyoming
19
Alaska
18
Sleeping Bear Dunes National Lakeshore
17
Sleeping Bear Dunes National Lakeshore (Mich.)
17
Blue Ridge Parkway (N.C. and Va.)
16
Chequamegon National Forest
16
Florida
16
Appalachian Trail
15
Mormon Pioneer National Historic Trail
15
Nebraska
15
Wayne National Forest
15
West Virginia
15
California National Historic Trail
14
Chequamegon National Forest (Wis.)
14
Continental Divide National Scenic Trail
14
Pacific Crest Trail
14
Minnesota
13
Alabama
12
North Carolina
12
North Country National Scenic Trail
12
Arkansas
11
Indiana
11
more ...