28 countries

Austria
Belarus
Belgium
Canada
Czech Republic
Dominican Republic
France
Georgia
Germany
Guatemala
India
Ireland (SNN)
Israel
Italy
Jamaica
Japan (NRT)
Latvia
Malaysia
Mexico
Netherlands
Philippines
Poland
Russia
South Korea
Spain
Vatican
Ukraine
United States
40 US states

Alabama
Arkansas
Arizona
California
Colorado
Connecticut
Delaware
Florida
Georgia
Idaho
Illinois
Indiana
Kansas
Kentucky
Maine
Maryland
Massachusetts
Michigan
Mississippi
Missouri
Minnesota (MSP)
Montana
North Carolina
New Hampshire
New Jersey
New Mexico
New York
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
Tennessee
Texas
Utah
Virginia
Washington
West Virginia
Wyoming
15 National Parks

Acadia
Arches
Canyonlands
Crater Lake
Everglades
Grand Teton
Great Sand Dunes
Great Smoky Mountains
Mammoth Cave
Mesa Verde
Mount Rainier
Olympic
Rocky Mountain
Yellowstone
Yosemite

and
Abraham Lincoln Birthplace National Historic Park
Boston National Historic Park
Cabrillo National Monument
Colorado National Monument
Daniel Boone National Forest
Golden Gate National Recreation Area
Land Between the Lakes National Recreation Area
Muir Woods National Monument
Philadelphia Independence National Historical Park
White River National Forest