2. Glacier National Park, Montana, United States

Featured in The Best of Montana
#36 in Best Attractions in the USA
3. Yellowstone National Park, Wyoming, United States

Featured in The Best of Wyoming
5. Grand Canyon National Park, Arizona, United States

Featured in The Best of Arizona
11. Sequoia National Park, California, United States

Featured in The Best of California
13. Olympic National Park, Washington, United States

Featured in The Best of Washington
14. Hawai'i Volcanoes National Park, Hawaii, United States

Featured in The Best of Hawaii