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Woman enjoying the view along the Theodore Roosevelt National Park North Unit, North Dakota, United States of America, North America
A view of Tower Bridge from the Fairyland Trail in Bryce Canyon National Park, Utah, United States of America, North America
A pair of brown bears (Ursus arctos) mock fighting at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
An adult brown bear (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
A hiker watching the sun go down west of Moran Point at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
An adult osprey (Pandion haliaetus), perched on a fence post in Grand Canyon National Park, Arizona, United States of America, North America
An young white-tailed deer (Odocoileus virginianus), Big Bend National Park, Texas, United States of America, North America
Huge trees growing in a slot canyon in Bryce Canyon National Park, Utah, United States of America, North America
Red rock formations known as hoodoos in Bryce Canyon National Park, Utah, United States of America, North America
Inside the Big Room at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America
Floe stone in the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America
Sunset, Tunnel View, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
John Muir, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Grand Prismatic Spring and bacterial mats, Midway Geyser Basin, Yellowstone National Park, Teton County, Wyoming, United States of America, North America
Rock formation caused by erosion known as Delicate Arch, 45 ft high and 33 ft wide, in the Arches National Park in Utah, United States of America, North America
The Salt Flats of Badwater Basin, the lowest point in North America, Death Valley National Park, California, United States of America, North America
Margerie Glacier in Glacier Bay National Park, UNESCO World Heritage Site, Southeast Alaska, United States of America, North America
Crested Pool; hot spring; Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Freezing mists and thermal features, dawn, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Winter on the Queen's Garden Trail, Bryce Canyon National Park, Utah, United States of America, North America
Racetrack Point, Death Valley National Park, California, United States of America, North America
A wild American alligator (Alligator mississippiensis), at night in Shark Valley, Everglades National Park, Florida, United States of America, North America
Virgin River, Zion National Park, Utah, United States of America, North America
Crested Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Tree clinging to rock at sunrise, Bryce Canyon National Park, Utah, United States of America, North America
Trail to Sol Duc Falls, Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington, United States of America, North America
Hiking in White Sands National Park, New Mexico, United States of America, North America
A man exploring the vast landscape of White Sands National Park, New Mexico, United States of America, North America
View over valley with colourful foliage in the Indian summer, Great Smoky Mountains National Park, UNESCO World Heritage Site, Tennessee, United States of America, North America
Kolob Canyons, Zion National Park, Utah, United States of America, North America
Moonrise over Bryce Canyon Amphitheater from Sunrise Point, Bryce Canyon National Park, Utah, United States of America, North America
Sunrise at Mesa Arch with glowing arch and sunburst, Canyonlands National Park, Utah, United States of America, North America
Coyote (Canis latrans) feeding on an elk carcass in Rocky Mountain National Park, Colorado, United States of America, North America
Coyote (Canis latrans) feeding on an elk carcass in Rocky Mountain National Park, Colorado, United States of America, North America
An adult golden-mantled ground squirrel (Callospermophilus lateralis), Rocky Mountain National Park, Colorado, United States of America, North America
Three grizzly bear (Ursus arctos horribilis) cubs of the year, Yellowstone National Park, Wyoming, United States of America, North America
Predawn light at Oxbow Bend with Mount Moran, Grand Teton National Park, Wyoming, United States of America, North America
Two bull moose (Alces alces) standing in front of Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Bison (Bison bison), with long shadows and footprints in Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Rock formation on the way to Delicate Arch, Arches National Park, Moab, Grand County, Utah, United States of America, North America
Close up of bull moose (Alces alces), Grand Teton National Park, Wyoming, United States of America, North America
A climber scales cliffs at Indian Creek in the Utah Desert, Canyonlands National Park, Utah, United States of America, North America
Winter scene in the Badlands, Badlands National Park, South Dakota, United States of America, North America
First light on Mount Moran at Oxbow Bend with reflection, Grand Teton National Park, Wyoming, United States of America, North America
Bridesveil Falls with rainbow, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Blacktail prairie dog (Cynomys ludovicianus) eating, Wind Cave National Park, South Dakota, United States of America, North America
Moonset over St. Mary Lake, Glacier National Park, Montana, United States of America, North America
Cascades on the Virgin River in the fall, Zion National Park, Utah, United States of America, North America
Hoodoos with fresh snow, Bryce Canyon National Park, Utah, United States of America, North America
Wash near Artist's Palette on Artist Drive, Death Valley National Park, California, United States of America, North America
View of hoodoo formations from the Fairyland Trail in Bryce Canyon National Park, Utah, United States of America, North America
Sand ripples, Mesquite bushes in the mesquite Flats sand dunes, Grapevine Mountains of the Amargosa range behind, Stovepipe Wells, Death Valley National Park, California, United States of America, North America
Thor's Hammer, an iconic hoodoo on the Navajo trail, a hiking trail through Bryce Amphitheater, Bryce Canyon National Park, Utah, United States of America, North America
Close up of American Bison, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
A moving rock at the Racetrack, a playa or dried up lakebed, in Death Valley National Park, California, United States of America, North America
Delicate Arch under a blue sky, Arches National Park, Utah, United States of America, North America
Sunburst over a sandy dune, Arches National Park, Utah, United States of America, North America
A young brown bear (Ursus arctos) fishing in the water at Lake Clark National Park and Preserve, Alaska, United States of America, North America
Forest path, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Reflection Lake, Mount Rainier National Park, Washington State, United States of America, North America
The trail junction for the Ken Patrick Trail and Uncle Jim Trail at Grand Canyon North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Evergreen trees in fog, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Frozen bison (Bison bison), on a river bank, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bighorn Sheep (Ovis canadensis) ram in the snow, Yellowstone National Park, Wyoming, United States of America, North America
Fiery Furnace, a maze like passageway, Arches National Park, Utah, United States of America, North America
From Turnout near Mojave Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America
Rock formation, Green River Overlook, Canyonlands National Park, Moab, Utah, United States of America, North America
Thunderstorms over south rim, from Cape Royal, north rim, Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Mormon Row and Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Oxbow Bend, Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America
Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America
Half Dome, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Tunnel View, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Three Brothers, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Pecos National Historical Park, New Mexico, United States of America, North America
Salt flats, Death Valley National Park, California, United States of America, North America
Steller sea lions (Eumetopias jubatus), hauled out on South Marble Island, Glacier Bay National Park, Alaska, United States of America, North America
Canyon overlook, Zion National Park, Utah, United States of America, North America
Canyon Overlook, Zion National Park, Utah, United States of America, North America
Roosevelt Elk at Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Joshua tree (Yucca brevifolia), at night in Joshua Tree National Park, Mojave Desert, California, United States of America, North America
Panorama of a valley that is the Gateway to the Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America
View from the Starboard side of the formation called Sinking Ship in Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Panorama view of Grand Canyon from the bow of the Sinking Ship rock formation, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
The northwest slope of the Purple Peninsula in Petrified Forest National Park, Arizona, United States of America, North America
Riverside Walk, Temple of Sinawava, Zion National Park, Colorado Plateau, Utah, United States of America, North America
A view of the highest mountain in North America, snow covered Denali, Denali National Park, Alaska, United States of America, North America
Tuolumne River rushing through granite boulders in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Mountain reflections in the tranquil waters of Tenaya Lake in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Grand Canyon viewed from a cliff overlooking Papago Creek with Papago Point on the right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Navajo Bridges as seen from the Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Commercial dory runs the Deubendorff Rapid, just past river mile 132, Grand Canyon National Park, Arizona, United States of America, North America
Commercial dory runs the Deubendorff Rapid, just past river mile 132, Grand Canyon National Park, Arizona, United States of America, North America
An adult male desert spiny lizard (Sceloporus magister), under a ledge in Grand Canyon National Park, Arizona, United States of America, North America
The Desert View Watchtower at Grand Canyon viewed from below the cliffs east of Navajo Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
An adult Mexican jay (Aphelocoma wollweberi), Big Bend National Park, Texas, United States of America, North America
Red rock formations known as hoodoos in Bryce Canyon National Park, Utah, United States of America, North America
Red rock formations known as hoodoos in Bryce Canyon National Park, Utah, United States of America, North America