Grand Canyon at Sunset from Navajo Point, Grand Canyon National Park, Arizona
Wild Goose Island and St Mary Lake from the Wild Goose Overlook, Glacier National Park, Montana
Female pronghorn antelope, Wind Cave National Park, South Dakota
Park Avenue, Arches National Park, Utah
Double Arch, Arches National Park, Utah
Delicate Arch, Arches National Park, Utah
Delicate Arch, Arches National Park, Utah
Sunlight streaming through the Wupatki Peublo ruin, Wupatki National Monument, Arizona
Grand Canyon before Sunset from Navajo Point, Grand Canyon National Park, Arizona
The Grand Canyon at Sunset
East Side of Zion Natonal Park, Utah
Bryce Canyon Amphitheater from Bryce Point, Bryce Canyon National Park, Utah
Hoodoo up close from Bryce Point, Bryce Canyon National Park, Utah
Trees among the Hoodoo in Bryce Canyon National Park, Utah
Sarah hiking among the Hoodoo on the Navajo Loop Trail, Bryce Canyon National Park, Utah
At the top of the Navajo Loop Trail, Bryce Canyon National Park, Utah
Hoodoo Spire, Navajo Loop Trail, Bryce Canyon National Park, Utah
Sarah by the General Sherman Tree, Sequoia National Park, California
General Sherman Tree as seen from a distance, Sequoia National Park, California
Sunset on the foothills of the Sierra Nevadas, California
Lake MacDonald, Glacier National Park, Montana
Sinopah Mountain reflected in Pray Lake at sunrise, Glacier National Park, Montana
Sinopah Mountain reflected in Two Medicine Lake, Glacier National Park, Montana
Panoramic view of St Mary Lake from the Wild Goose Overlook, Glacier National Park, Montana
Glacier National Park from Sun Point, Montana
The texture of Mammoth Hot Springs, Yellowstone National Park, Wyoming
"For the Benefit and Enjoyment of the People" - The Roosevelt Arch, Yellowstone National Park. Gardiner, Montana
Mammoth Hot Springs, Yellowstone National Park, Wyoming
Mammoth Hot Springs, Yellowstone National Park, WY
Steam rising from Grand Prismatic Spring, Yellowstone National Park, Wyoming
The texture of Grand Prismatic Spring, Yellowstone National Park, Wyoming
Lower Yellowstone Falls from Artist Point, Yellowstone National Park, Wyoming
Lower Yellowstone Falls from Lookout Point, Yellowstone National Park, Wyoming
Grand Tetons at sunrise over Jackson Lake, Wyoming
The Grand Tetons from Oxbow Bend, Grand Teton National Park, Wyoming
Devils Tower at sunrise, Wyoming
Devils Tower over the red rock cliffs and Belle Fourche River, Wyoming
The monarch of the plains, Custer State Park, South Dakota
Sunflower at Badlands National Park, South Dakota
Rainbow rocks at Badlands National Park, South Dakota
Badlands National Park from the Fossil trail, South Dakota
Badlands National Park from the Fossil trail, South Dakota
Torrey Pines State Beach, La Jolla, California
The Scripps Pier Before Sunrise, Scripps Institute of Oceanography, University of California-San Diego, La Jolla, California
The clifs of Torrey Pines State Beach, La Jolla, California
Sunset from the Cliffs of Torrey Pines State Beach, La Jolla, California
Sunset on the shores of La Jolla, California
Waves on the rocky shores of La Jolla, California
Pima Canyon, Tucson, Arizona
Saguaro cactus closeup, Pima Canyon, Tucson, Arizona
Pima Canyon, Tucson, Arizona
Sunset on the Tucson Mountains from Menlo Park, Tucson, Arizona
Saguaro cactuses at sunset, Sentinel Peak Park, Tucson, Arizona