Region
United States
280
California
113
Colorado
104
Arizona
103
Alaska
84
Pennsylvania
72
Washington (State)
67
New Mexico
64
Washington (D.C.)
58
Wyoming
58
Virginia
55
Michigan
53
Texas
47
New York (State)
44
Utah
43
Blue Ridge Parkway (N.C. and Va.)
42
Yellowstone National Park
39
Montana
38
Grand Teton National Park (Wyo.)
37
Florida
35
Grand Teton National Park
34
Massachusetts
31
Sleeping Bear Dunes National Lakeshore
31
Sleeping Bear Dunes National Lakeshore (Mich.)
31
Maryland
30
Arkansas
28
West Virginia
28
Minnesota
27
New Jersey
27
Indiana
25
Nevada
25
North Carolina
24
Glacier National Park (Mont.)
22
Hawaii
22
Missouri
21
South Dakota
21
Rocky Mountain National Park
20
Rocky Mountain National Park (Colo.)
20
Indiana Dunes National Park (Ind.)
19
Gateway National Recreation Area (N.J. and N.Y.)
18
Olympic National Park
18
Yosemite National Park (Calif.)
18
New River Gorge National Park and Preserve (W. Va.)
17
Ohio
16
Olympic National Park (Wash.)
15
Yosemite National Park
15
New York
14
Oregon
14
Golden Gate National Recreation Area (Calif.)
13
Grand Canyon
13
more ...