Lake Mead view Mooney Falls Sonoran Desert Bighorns grazing Grand Canyon House Rock Rapid Headframe, Audrey Shaft Juniper Cholla Palo verde Los tres amigos Mature saguaro Burro Creek Bridge Santa Maria River Santa Maria River Prickly pear in fruit Ocotillo Oak Creek Budding cholla Unnamed Survivor Sedona, Arizona Watson Lake Colorado River and Black Canyon State Line Tucson Spillway Pillbox at Hoover Dam Canyon View Redwall Limestone Hoover Dam & Bridge Hoover Dam Bypass Bridge Hoover Dam Bypass Bridge Colorado River and Glen Canyon Glen Canyon Bridge from Glen Canyon Dam Glen Canyon damsite 1959 Glen Canyon Bridge Glen Canyon Bridge Meteor Crater, Arizona, USA Gila River Yuma territorial prison Supai Cliff Travertine Dams Virgin Canyon view Vasey's Paradise