Tim Fitzharris / Grand Tetons from Schwabacher Landing, Grand Teton National Park, Wyoming

Yva Momatiuk & John Eastcott / Canoe on river in summer, Hudson River, Hudson Gorge Wilderness, New York

Jeff Foott / Joshua Tree (Yucca brevifolia) group in desert, Virgin Mountains, Gold Butte National Monument, Nevada

Tim Fitzharris / Marsh, Two Medicine Lake, Glacier National Park, Montana

Tim Fitzharris / Western Juniper (Juniperus occidentalis) and Jeffrey Pine (Pinus jeffreyi) trees, Phipps Peak, Eldorado National Forest, California

Tim Fitzharris / Dana Plateau from Ellery Lake, Sierra Nevada, Inyo National Forest, California

Tim Fitzharris / Dana Plateau from Ellery Lake, Sierra Nevada, Inyo National Forest, California

Tim Fitzharris / Rhododendron (Rhododendron sp) flowers and Coast Redwood (Sequoia sempervirens) trees in fog, Redwood National Park, California

Tim Fitzharris / Half Dome reflecting in Merced River, Yosemite National Park, California

Tim Fitzharris / String Lake and the Grand Tetons, Grand Teton National Park, Wyoming

Tim Fitzharris / River in gorge, Rio Grande Gorge, Rio Grande del Norte National Monument, New Mexico

Yva Momatiuk & John Eastcott / Sand dunes and scattered rocks, Death Valley National Park, California