Top 10 Most Visited National Parks in the USA
10. Glacier National Park, Montana
9. Olympic National Park, Washington
8. Grand Teton National Park, Wyoming
7. Acadia National Park, Maine
6. Yellowstone National Park, Wyoming
5. Yosemite National Park, California
4. Zion National Park, Utah
3. Rocky Mountain National Park, Colorado
2. Grand Canyon National Park, Arizona
1. Joshua Tree National Park, California