Deze 13 Amerikaanse nationale parken staan óók op UNESCO’s Werelderfgoedlijst
1. Carlsbad Caverns National Park, New Mexico 2. Everglades National Park, Florida 3. Grand Canyon National Park, Arizona 4. Great Smoky Mountains National Park, North Carolina, Tennessee en Virginia 5. Hawaii Volcanoes National Park 6. Wrangell-St. Elias National Park, Alaska 7. Glacier Bay National Park & Preserve, Alaska 8. Mammoth Cave National Park, Kentucky 9. Olympic National Park, Washington 10. Redwood National and State Parks, Californië 11. Glacier National Park, Montana 12. Yellowstone National Park, Montana en Wyoming 13. Yosemite National Park, Californië
