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Hoodoo filled cliffs on the north side of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America
The east cliffs of Blue Mesa near sunset, Petrified Forest National Park, Arizona, United States of America, North America
Red fox (Vulpes vulpes) (Vulpes fulva) vixen nursing her kits, Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) cow and calf running in the rain, Yellowstone National Park, Wyoming, United States of America, North America
Black bear (Ursus americanus) yearling cub climbing a tree, Yellowstone National Park, Wyoming, United States of America, North America
A cliff cave below Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America
Goblin Garden west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America
Goblin Garden west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America
A sloping red sand dune above Hamilili Wash in Petrified Forest National Park, Arizona, United States of America, North America
Bird petroglyph, Petrified Forest National Park, Arizona, United States of America, North America
Juvenile golden eagle (Aquila chrysaetos) in flight over snow in the winter, Yellowstone National Park, Wyoming, United States of America, North America
Sign at the entrance to the Zion National Park at Springdale, Utah, USA.
Sandstone rock formation in the Dixie National Forest, Utah, USA. The National Forest was created in 1906.
Mountain goat (Oreamnos americanus), Glacier National Park, Montana, United States of America, North America
Walker in Quinault Rain Forest, Olympic National Park, Washington State, United States of America, North America
Foggy sunrise at Sunrise Point with snow, Bryce Canyon National Park, Utah, United States of America. North America
American dipper (water ouzel) (Cinclus mexicanus) standing on ice, Yellowstone National Park, Wyoming, United States of America, North America
Balanced Rock with fog, Arches National Park, Utah, United States of America, North America
View of Thor's Hammer from the Navajo Loop Trail in Bryce Canyon National Park, Utah, United States of America, North America
Grand Canyon view at sunset from the west side of Moran Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Piracy Point, Bryce Canyon National Park, Utah, USA
Piracy Point, Bryce Canyon National Park, Utah, USA
Looking down into Ubehebe crater, a Maar volcano, caused by groundwater contacting hot magma or lava, Death Valley National Park, California, United States of America, North America
Salt pan polygons at Badwater Basin, 282ft below sea level and the lowest place in North America, Death Valley National Park, California, United States of America, North America
The Charcoal Kilns, bee-hive structure, designed by Swiss engineers, built by Chinese labourers in 1879, Panamint range, Emigrant Canyon Road, 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
Pine grosbeak (Pinicola enucleator) on branch, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Canyon of the Yellowstone River from Brink of the Lower Falls, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Artists Point looking towards Lower Falls, Grand Canyon, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Canyon of the Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
American Bison (Bison bison), Little Firehole River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Beaver (Castor canadensis) swimming with food, Denali National Park and Preserve, Alaska, United States of America, North America
Snow-capped mountains and tundra in fall color, Denali National Park and Preserve, Alaska, United States of America, North America
Juvenile Dall Sheep (Ovis dalli) and lamb among fall color, Denali National Park and Preserve, Alaska, United States of America, North America
Grizzly bear (Ursus arctos horribilis) (Coastal brown bear) walking in a stream, Katmai National Park and Preserve, Alaska, United States of America, North America
Shattered pieces of petrified wood in a sandy wash in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America
A Hoodoo of expansive clay called Bentonite in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America
Shattered pieces of petrified wood in a sandy wash in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America
California ground squirrel (Citellus beecheyi), Joshua Tree National Park, California, United States of America, North America
Large pieces of petrified wood in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America
Mule deer (Odocoileus hemionus), Mariposa Grove, Southern Yosemite, Yosemite National Park, Sierra Nevada, California, United States of America, North America
A twisted very old Bristlecone Pine (Pinus longaeva), on sage brush covered slopes of dolomite limestone, in the Ancient Bristlecone Pine Forest Park, Inyo National Forest, Bishop, California, United States of America, North America
Afternoon thunder shower, from Cape Royal Point, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon view from western edge of Horseshoe Mesa, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
View of Johnson Canyon from above the abandoned Johnson Canyon Railroad Tunnel in the Kaibab National Forest of Arizona, USA
View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
View from below the Stone Dam in the Kaibab National Forest, Arizona, USA
Johnson Canyon face of the Stone Dam in the Kaibab National Forest, Arizona, USA
Johnson Canyon face of the Stone Dam in the Kaibab National Forest, Arizona, USA
View from below the Stone Dam in the Kaibab National Forest, Arizona, USA
Overhead view of the Icy shore of Stone Dam Lake in the Kaibab National Forest, Arizona, USA
View from the shore of Stone Dam Lake in the Kaibab National Forest, Arizona, USA
Cruising through Glacier Bay National Park, Alaska, United States of America, North America
Cache Creek, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Boat house at Lake Louise, Banff National Park, UNESCO World Heritage Site, Rocky Mountains, Alberta, Canada, North America
Old horse-drawn wagons with the Rocky Mountains in the Background, near Waterton Lakes National Park, Alberta, Canada, North America
Delicate Arch at golden hour, Arches National Park, Moab, Grand County, Utah, United States of America, North America
Frosty viewer scope, Lake Louise, Banff National Park, UNESCO World Heritage Site, Rocky Mountains, Alberta, Canada, North America
Old horse-drawn wagons with the Rocky Mountains in the background, near Waterton Lakes National Park, Alberta, Canada, North America
Grand Canyon with the historic Watch Tower on the far left, managed by the National Park Service, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Three Sisters, Monument Valley Navajo Tribal Park, Utah, United States of America
Three Sisters, Monument Valley Navajo Tribal Park, Utah, United States of America
West Mitten Butte, Monument Valley Navajo Tribal Park, Utah, United States of America
Merrick Butte, Monument Valley Navajo Tribal Park, Utah, United States of America
John Ford's Point, Merrick Butte in background, Monument Valley Navajo Tribal Park, Utah, United States of America
Adult Dall sheep (Ovis dalli) in Denali National Park, Alaska, United States of America
White Snowshoe Hare sitting in its snowy burrow, Denali National Park, Alaska, United States of America, North America
An Alaskan moose in winter roaming the Denali National Park, Alaska, United States of America, North America
Sunrise over the frozen Otto Lake and snowy mountains of Denali National Park in the background, Alaska, United States of America, North America
Alaskan Railroad going through Denali National Park in the winter, Alaska, United States of America, North America
Joshua Tree in high-key black and white, Joshua Tree National Park, California, United States of America, North America
A rocky snow covered mountain in the Denali National Park, Alaska, United States of America, North America
Sunrise over the frozen Otto Lake and snowy mountains of Denali National Park in the background, Alaska, United States of America, North America
The snowy mountain ranges of Denali National Park in the winter, Alaska, United States of America, North America
Bowman Lake, Glacier National Park, Montana, United States of America, North America
Snowscape of reflection of sky in thermal feature, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Snowscape trees in the fog, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Moose (Alces alces), Gros Ventre valley, Grand Tetons National Park, Wyoming, United States of America, North America
TA Moulton Barn, Mormon Row, Grand Tetons National Park, Wyoming, United States of America, North America
Beaver dam, Snake River at Schwabacher Landing, Grand Tetons National Park, Wyoming, United States of America, North America
Two hikers heading down the Navajo Loop Trail below Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Visitors looking down into Bryce Amphitheatre from the Rim Trail at Bryce Point, Bryce Canyon National Park, Utah, United States of America, North America
High cliffs towering above the Navajo Loop Trail below Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Typical rock hoodoos towering above the Mossy Cave Trail, Water Canyon, Bryce Canyon National Park, Utah, United States of America, North America
View over the Silent City from the Rim Trail at Inspiration Point, dawn, Bryce Canyon National Park, Utah, United States of America, North America
Least chipmunk (Neotamias minimus) on rocks beside the Queen's Garden Trail, Bryce Canyon National Park, Utah, United States of America, North America
Hairy woodpecker (Leuconotopicus villosus), perched on tree trunk, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Great blue heron (Ardea herodias), standing alert beside trail in Shark Valley, Everglades National Park, Florida, United States of America, North America
Colourful rock formation in the Queen's Garden beside the Navajo Loop Trail, Bryce Canyon National Park, Utah, United States of America, North America
Angels Landing, a rock formation 1488 feet high, Zion National Park, Utah, United States of America
Hermit Creek Canyon viewed from Dripping Springs Trail in the Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
View of Hermit Creek Canyon from a cliff near Santa Maria Springs along the Hermit Trail, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Late afternoon light on the Crater Lake of the Crater Lake National Park, Oregon, United States of America, North America
Long straight road, Cape Breton Highlands National Park, Cape Breton Island, Nova Scotia, Canada, North America
Fish traps in front of a shingle hut in Neils Harbour, Cape Breton Highlands National Park, Cape Breton Island, Nova Scotia, Canada, North America
MacDonalds Big Pond, Cape Breton Highlands National Park, Cape Breton Island, Nova Scotia, Canada, North America
Gray wolf (Canis lupus) 870F of the Junction Butte Pack at an elk carcass in the winter, Yellowstone National Park, Wyoming, United States of America, North America
Coyote (Canis latrans) in the snow in winter, Yellowstone National Park, Wyoming, United States of America, North America