USA - Uruguay

USA 27 Mesa Verde National Park
USA 28 Yellowstone National Park
USA,Canada 72 Kluane / Wrangell-St. Elias / Glacier Bay / Tatshenshini-Alsek
USA 75 Grand Canyon National Park
USA 76 Everglades National Park
USA 78 Independence Hall
USA 134 Redwood National and State Parks
USA 150 Mammoth Cave National Park
USA 151 Olympic National Park
USA 198 Cahokia Mounds State Historic Site
USA 259 Great Smoky Mountains National Park
see more...

USA 266 La Fortaleza and San Juan National Historic Site in Puerto Rico
USA 307 Statue of Liberty
USA 308 Yosemite National Park
USA,Canada 354 Waterton Glacier International Peace Park
USA 409 Hawaii Volcanoes National Park
see more...

USA 442 Monticello and the University of Virginia in Charlottesville
USA 492 Taos Pueblo
USA 721 Carlsbad Caverns National Park
see more...

USA 1326 Papahānaumokuākea
USA 1446 San Antonio Missions
new

United States of America 1496 The 20th-Century Architecture of Frank Lloyd Wrigh
new

United States of America 6234 (tent) Central Park
Uruguay 1464 Fray Bentos Industrial Landscape