1Score 97.6 out of 100
National Park
Grand Canyon National Park
A mile-deep gorge cut by the Colorado River through two billion years of rock, and the fifteenth US national park.
National Parks in Arizona
Established by Congress for nationally significant scenery or resources.
3 national parks
- 2Score 75.8 out of 100
National Park
Petrified Forest National Park
A national park of petrified wood and eroded badlands in north-eastern Arizona, crossed by historic Route 66. - 3Score 75.5 out of 100
National Park
Saguaro National Park
Two districts of Sonoran Desert either side of Tucson, preserving the giant saguaro cactus the park is named for.
How this category is scored
Every attraction in this category starts from a significance baseline of 92 out of 100, before any designations it holds are added. The full table is on the methodology page.
Every attraction in this category publishes an official visitor count, so this ranking carries high confidence throughout.