Saguaro cacti and Brittlebush flowers in spring, White Tank Mountains, Arizona

Saguaro Picacho Mountains, Picacho Peak State Park, Arizona

Agave plants, Organ Mountains, Aguirre Spring Recreation Area, New Mexico

Cactus and Cathedral Rock at sunset, Coconino National Forest, Arizona

Cathedral Rock reflected in pool, Coconino National Forest, near Sedona, Arizona

Big Bend: Prickly Pear Cactus

Indian Blanket flowers and Opuntia cacti, Inks Lake State Park, Texas