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Rock face and waterfalls, Emerald Pools, Zion National Park, Utah, United States of America, North America
Sand dunes with grasses and ridges in foreground, Great Sand Dunes National Park, Colorado, United States of America, North America
Sand dunes at dawn, Great Sand Dunes National Park, Colorado, United States of America, North America
Road, Death Valley National Park, California, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Road leading through the Capitol Reef National Park, Utah, United States of America, North America
Cold lava walls in the Craters of the Moon National Park, Idaho, United States of America, North America
The Racetrack, a playa or dried up lakebed, in Death Valley National Park, California, United States of America, North America
Jackson Lake in the Teton range in the Grand Teton National Park, Wyoming, United States of America, North America
Early morning sunlight shining on the towering cliffs of the Zion National Park, Utah, United States of America, North America
Late sunlight glowing on the rocks of the Zion National Park, Utah, United States of America, North America
Dead tree in the Capitol Reef National Park, Utah, United States of America, North America
Half Dome viewed from Glacier Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America
Windows Arches, Arches National Park, Moab, Utah, United States of America, North America
Windows Arches, Arches National Park, Moab, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Arches Bows National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
South Window, Arches National Park, Utah, United States of America, North America
The colourful sandstone formations of the Bryce Canyon National Park in the late afternoon, Utah, United States of America, North America
Rock forms above Echo Canyon, morning on the trail to Observation Point, October, Zion Canyon, Zion National Park, Utah, United States of America, North America
The towering cliffs of the Zion National Park, Utah, United States of America, North America
The colourful sandstone formations of the Bryce Canyon National Park in the late afternoon, Utah, United States of America, North America
Walkway through cold lava in the Craters of the Moon National Park, Idaho, United States of America, North America
The colourful sandstone formations of the Bryce Canyon National Park in the late afternoon, Utah, United States of America, North America
View over the Lewis River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Park Avenue, Arches National Park, Moab, Utah, United States of America, North America
Park Avenue, Arches National Park, Moab, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Yosemite Falls, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Bisons, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
The Chimney, Capitol Reef National Park, Utah, United States of America, North America
Pawnee Butte, Pawnee National Grassland, Colorado, United States of America, North America
Golden-mantled squirrel (Citellus lateralis), Rocky Mountain National Park, Colorado, United States of America, North America
The towering cliffs of the Zion National Park, Utah, United States of America, North America
The colourful Grand Canyon of the Yellowstone, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Sol Doc River, Olympic National Park, UNESCO World Heritage Site, Washington, United States of America, North America
The cliffs of the Narrows in the Zion National Park, Utah, United States of America, North America
Travertine terraces in Mammoth hot springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Capitol Reef National Park, Utah, United States of America, North America
Half Dome, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Half Dome, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Sand dunes at dusk, Great Sand Dunes National Park, Colorado, United States of America, North America
Zion National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Red Canyon in Dixie National Forest, Utah, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grizzly bear (Ursus horribilis), Glacier National Park, Montana, United States of America, North America
Sipapu Natural Bridge, Natural Bridges National Monument, Utah, United States of America, North America
South Window Arch seen through Turret Arch, Arches National Park, Utah, United States of America, North America
Hall of Mosses rainforest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Arches National Park, Moab, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
The Chimney, Capitol Reef National Park, Utah, United States of America, North America
Walkway through cold lava in the Craters of the Moon National Park, Idaho, United States of America, North America
Stone wall of the Window section, Arches National Park, Utah, United States of America, North America
View over the sandstone cliffs of the Grand Staircase Escalante National Monument, Utah, United States of America, North America
Yosemite Falls, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Yosemite Falls, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Bison calf (Bison bison), Yellowstone National Park, Wyoming, United States of America, North America
Tower Arch, Arches National Park, Utah, United States of America, North America
Clouds reflecting in the Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Rock formations, Needles District, Canyonlands National Park, Utah, United States of America, North America
Delicate Arch, Arches National Park, Moab, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Park Avenue, Arches National Park, Moab, Utah, United States of America, North America
Alligator, Anhinga Trail, Everglades National Park, Florida, United States of America, North America
Kivas and rooms, foreground rock fall destroyed part of pueblo, Pueblo Bonito 1000-1100 AD, Anasazi site, Chaco Canyon National Monument, New Mexico, United States of America (U.S.A.), North America
Beauty Pool in Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
East Building, National Gallery of Art, Washington D.C., United States of America (U.S.A.), North America
Yellow flowering plants and loop road seen from Inferno cone, Craters of the Moon National Monument, Idaho, United States of America (U.S.A.), North America
Farmstead in the old pioneer community at Cades Cove, Great Smoky Mountains National Park, UNESCO World Heritage Site, Appalachians, Tennessee, United States of America (U.S.A.), North America
View from the Alum Cave Bluffs trail in Great Smoky Mountains National Park, UNESCO World Heritage Site, Tennessee, United States of America (U.S.A.), North America
Snowline on Alaska Range, Denali National Park, Alaska, United States of America, North America
Part of the North Unit of Badlands National Park, carved out of the prairies by rapid water erosion of sediments, South Dakota, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America