Jack Dykinga / Lone Ponderosa pine tree {Pinus ponderosa} in front of canyon walls showing drip mark fractures, Long Canyon, Grand Staircase-Escalante National Monumnet, Utah, USA
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Jack Dykinga / Virgin river flowing through Zion Canyon Narrows, with reflections of afternoon sun, Zion National Park, Utah, USA
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Tim Fitzharris / Havasu Creek which is lined with Cottonwood trees, being fed by one of its three cascades, Havasu Falls, Grand Canyon, Arizona
00001279
Jim Brandenburg / Giant Sequoia (Sequoiadendron giganteum) and star trails in King's Canyon National Park, California
01418155
David Welling / Long-nosed leopard lizard (Gambelia wislizeni) perches on a large rock in Redding canyon, Inyo county, California, USA
00480614
Chien Lee / River flowing through canyon, Western Australia, Australia
01286207
John Cancalosi / Aravaipa Canyon Wilderness, an 11 mile long canyon that cuts through the north end of Galiuro Mountains. Tucson, Federal Wilderness Area, USA
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Tim Fitzharris / Rock Falls, Havasu Canyon, Arizona
00438954
Tim Fitzharris / Havasu Falls, Grand Canyon, Arizona
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Tim Fitzharris / Havasu Falls, Grand Canyon, Arizona
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Tim Fitzharris / Navajo Falls, Havasu Canyon, Arizona
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Tim Fitzharris / Havasu Falls, Grand Canyon, Arizona
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Tim Fitzharris / Havasu Falls, Grand Canyon, Arizona
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Tim Fitzharris / Havasu Falls, Grand Canyon, Arizona
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Tim Fitzharris / Creek at Havasu Canyon, Grand Canyon, Arizona
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Tim Fitzharris / Havasu Falls, Grand Canyon, Arizona
00438944
Tim Fitzharris / Havasu Falls, Grand Canyon, Arizona
00438943
Tim Fitzharris / Havasu Falls, Grand Canyon, Arizona
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Tim Fitzharris / Bighorn Lake, 71-mile long man-made body of water, Bighorn Canyon National Recreation Area, Wyoming
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Tim Fitzharris / Bighorn Lake, 71-mile long man-made body of water, Bighorn Canyon National Recreation Area, Wyoming
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Tim Fitzharris / Bighorn Lake, 71-mile long man-made body of water, Bighorn Canyon National Recreation Area, Wyoming
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Jack Dykinga / Douglas fir tree {Pseudotsuga menziesii} in front of Long Canyon with vertical desert varnish striations, Grand Staircase-Escalante, Utah, USA
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Tim Fitzharris / La Plata River, La Plata Canyon, San Juan National Forest, Colorado
00175182
Tim Fitzharris / Zion Canyon near Emerald Pools, Zion National Park, Utah
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Tim Fitzharris / Havasu Creek which is lined with Cottonwood trees, being fed by one of its three cascades, Havasu Falls, Grand Canyon, Arizona
00136062
Norbert Wu / Deer Creek Canyon, only accessible by raft, Grand Canyon, Grand Canyon National Park, Arizona
00001280
Jim Brandenburg / Giant Sequoia (Sequoiadendron giganteum) and star trails in King's Canyon National Park, California
01055096
David Welling / Burr trail canyon and Henry mountains. Long Canyon, Utah, USA
00499356
Tim Fitzharris / Rock Falls, Havasu Canyon, Grand Canyon National Park, Arizona
