Chris Council Photography

Caption: A cactus is silhouetted at sunset in Tucson, Ariz.

Keywords: Arizona, Tucson, United States, cactus, sunset

Aspen trees peak in color as the sun rises over the Maroon Bells in Aspen, Colo. Millions of stars lights shine over the Colorado River outside of Moab, Utah. Picnic tables dot a picnic area at the White Sands National Monument, N.M. The Nags Head fishing pier during a winter storm on the Outer Banks in Nags Head, N.C. A volcano in Kamchatka, Russia is circled by clouds. A volcano spews smoke in the evening light in Kamchatka, Russia. The "supermoon" rises over a pier in downtown Annapolis, Md. A climbing expedition sets up camp at the base of Lava Tower on Mt. Kilimanjaro, Tanzania. Smoke rises from thermals on an active volcano in Kamchatka, Russia. Sunset over Yellowstone Lake, Wyo. A lone tent enjoys solitude in the backcountry of White Sands National Monument, N.M. Aspen trees shine golden near Ashcroft, Colo. A cactus is silhouetted at sunset in Tucson, Ariz. The view looking back during sunrise along the summit trek of Mt. Kilimanjaro, Tanzania. Early morning waterfall at Watkins Glen State Park, N.Y. Storm clouds over the Grand Tetons at sunrise near Jackson, Wyo. Hot air balloons fly over a field of horses durning the annual Snowmass Balloon Festival in Snowmass, Colo. A tent is lit up at night in Rocky Mountain National Park, Colo. Aerial view of Bryce Canyon, Utah. The sun rises over a volcano in the backcountry of Kamchatka, Russia.