Overlooking the Sangre de Cristo Mountains from Deception Peak in the Santa Fe National Forest.
Mature Saguaro cacti stand tall in Saguaro National Park in Tucson, AZ.
Overlooking golden aspen trees early in the morning from the Aspen Vista trail in Hyde State Park.
Nambe Lake, an alpine lake nestled in the Sangre de Cristo Mountains.
Hot air balloons start to ascend at sunrise during the Albuquerque International Balloon Fiesta.
Lake Fork Peak seen through a patch of wildflowers in the Wheeler Peak Wilderness.
Dawn in the Great Smoky Mountains, seen from Clingman's Dome.
Morning light shines down on Kasha-Katuwe Tent Rocks National Monument in late November.
Golden aspen trees seen on the Aspen Vista trail in Hyde State Park.
Mount Oberlin, seen from the Highline trail in Glacier National Park.
Lower Jonathan Run Falls in Ohiopyle State Park during peak fall foliage.
Williams Lake in the Carson National Forest.
Morning light shines on dozens of hot air balloons ascening over the city during the Albuquerque International Balloon Fiesta.
The teepees formations in the Petrified Forest National Park.
Red Dome seen from Wheeler Peak in the Wheeler Peak Wilderness.
White Sands National Park in southern New Mexico.
A cow moose feeds on branches at dusk at Isle Royale.
Four cacti behind the brush at Saguaro National Park near Tucson, AZ.
South Falls, one of the ten waterfalls in Silver Falls State Park, Oregon.
Petroglyphs in Saguaro National Park near Tucson, AZ.
A juvenile Desert Bighorn Sheep stands on a rock while others look on in the Grand Canyon.
Saguaro cacti stand in front of the Rincon Mountains in Tucson, AZ.
Looking through a patch of golden aspen trees along the Aspen Vista trail in Hyde State Park.
A small island, part of Isle Royale National Park, is framed by trees.
Mount Oberlin in Glacier National Park seen from the Highline trail.
An unnamed waterfall along the Rio Blanco in Puerto Rico.
The rolling dunes and mountains of White Sands National Park.
Freedom Falls in Venango County, PA.
Evening light shines on Moskey Basin in Isle Royale National Park.
Haystack Rock seen from behind beach houses in Cannon Beach, OR.
Morning light shines down on a Ram in Glacier National Park.
Upper Jonathan Run Falls during fall foliage in Ohiopyle State Park.
Blue Ridge Mountains in Shenandoah National Park.
Cole Run Falls in Forbes State Forest.
The Rincon Mountains are seen behing Saguaro cacti in Tucson, AZ.
The Grand Canyon seen while descending the Bright Angel trail.