Explore the rugged terrain and rare plants at one of Arizona's newest and barely visited national monuments, a serene cactus forest in the middle of the desert.

Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled ...

Once barren land is now dotted with young palo verde and ironwood ... to Arizona in the 1930s to feed livestock and control erosion. It has since exploded into a major threat to the desert ...

The Arizona Department of Transportation will decide the ... Tucson Mountain Park, and Ironwood Forest and Sonoran Desert National Monuments. They’re also concerned the interstate would lead to ...