Blue-green travertine falls on the Havasupai Reservation, reached only by a ten-mile hike, helicopter or horseback. Visiting requires a reservation obtained well in advance.
Grand Falls is a natural waterfall system located 30 miles (48.3 kilometers) northeast of Flagstaff, Arizona in the Painted Desert on the Navajo Nation. It is also called Chocolate Falls because of the color. It dumps snow melt or seasonal rain into the gorge of the Little Colorado River below.
Arizona Falls is a waterfall in Phoenix, Arizona, U.S. It was formed when the man-made Arizona Canal crossed a natural, 20-foot (6.1 m) drop in the area of present-day 56th Street in the Arcadia neighborhood of Phoenix. The site became a popular location for social activities before and after being used as a hydroelectric power station that provided the first electricity to Phoenix.
How this category is scored
Every attraction in this category starts from a significance baseline of 60 out of 100, before any designations it holds are added. The full table is on the methodology page.
None of these publish an official visitor count, so they are ranked on public interest and tourism significance, and none can reach the top score band.