When: 8 a.m. to 5 p.m. with limited holiday hours. Entry closes at 4:30 p.m. Cost: $7 for adults (14+), $4 for youth (7-13), children six and under are free. Fall colors 2024: Arizona's best hikes ...

Tips on visiting desert national parks in Utah, Arizona, and California including Utah's 5 parks, Death Valley, Joshua Tree, Saguaro, and the Grand Canyon.

A: The Arizona white oak (Quercus arizonica) is a beautiful tree, but unfortunately someone planted it too close to the house. The mature size of that species can be as wide as 50 feet.