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Trail to Sol Duc Falls, Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington, United States of America, North America
Female willow ptarmigan (Lagopus lagopus), Denali National Park and Preserve, Alaska, 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
Abandoned train car in Rhyolite, a ghost town in Nye County, near Death Valley National Park, Nevada, United States of America, North America
Wildrose Charcoal Kilns, built in 1877 to produce charcoal for the mines, Death Valley National Park, California, United States of America, North America
Close up view of canyon through Mesa Arch with glowing arch, Canyonlands National Park, Utah, United States of America, North America
The huge caldera of the Crater Lake National Park, Oregon, 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
Close up view of canyon through Mesa Arch at sunrise, Canyonlands National Park, Utah, 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
Delicate Arch at sunset with sunburst, Arches National Park, Utah, 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
Close up view of canyon through Mesa Arch at sunrise, Canyonlands National Park, Utah, United States of America, North America
Mule deer (Odocoileus hemionus) buck in velvet, Glacier National Park, Montana, United States of America, North America
Blacktail prairie dog (Cynomys ludovicianus) eating, Wind Cave National Park, South Dakota, United States of America, North America
Bare tree at sunrise, St. Mary Lake, Glacier National Park, Montana, United States of America, North America
Common Raven (Corvus corax), Bryce Canyon National Park, Utah, United States of America, North America
Cascades on the Virgin River in the fall, Zion National Park, Utah, United States of America, North America
View of the valley floor from Angel's Landing Trail in Zion National Park, Utah, 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
Mount McKinley among clouds, Denali National Park and Preserve, Alaska, United States of America, North America
Sunrise eruption of Old Faithful geyser with stream, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View of Delicate Arch through Frame Arch with sunburst, Arches National Park, Utah, United States of America, North America
Wild roses with rocks on coastline in the background on Mount Desert Island, Acadia National Park, Maine, New England, United States of America, North America
Pacific coast beach with driftwood, Olympic National Park, UNESCO World Heritage Site, Washington State, 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
Bright blue thermal feature in snow, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bowman Lake, Glacier National Park, Montana, United States of America, North America
Reflection Lake, Mount Rainier National Park, Washington State, United States of America, North America
Sign marking the boundary for the Saddle Mountain Wilderness that borders Grand Canyon National Park, Arizona, 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
Sandstone rocks reflecting in the Colorado River, Canyonlands 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
Little boats in the bay of Dingwall, Cape Breton Highlands National Park, Cape Breton Island, Nova Scotia, Canada, North America
View over the coastline of the Cape Breton Highlands National Park, Cape Breton Island, Nova Scotia, Canada, North America
Rock formations in Canyonlands National Park, Moab, Utah, United States of America, North America
Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America
Cloudy sunrise in Canyonlands National Park, Moab, Utah, United States of America, North America
Mist over the Fairweather Range, Icy Strait, between Chichagof Island and Glacier Bay National Park, UNESCO World Heritage Site, Inside Passage, Alaska, United States of America, North America
Yosemite Valley and Bridalveil Fall from Tunnel View, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
View of Merced River and Upper Yosemite Falls, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
View of Giant Sequoias tree in Tuolumne Grove Trail, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Deer wandering Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Trail lights on Banff Avenue and mountains in background at dusk, Banff, Banff National Park, Alberta, Canada, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, 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
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
Half Dome, 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
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
Morning sunlight and mist, Reflection Lake, Mount Rainier National Park, Washington State, United States of America, North America
The cliffs of Bright Angel Canyon along the Bright Angel Trail in winter at sunrise on the South Rim of Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Wizard Island in Crater Lake, the deepest lake in the United States, Crater Lake National Park, Oregon, United States of America, North America
Meltwater lake on Mount Rainier from the Burroughs Mountain Trail, Mount Rainier National Park, Washington State, United States of America, North America
Meltwater lake on Mount Rainier from the Burroughs Mountain Trail, Mount Rainier National Park, Washington State, United States of America, North America
Meltwater lake on Mount Rainier from the Burroughs Mountain Trail, Mount Rainier National Park, 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
Shooting rapids in a kayak on the Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Ancestral Puebloan ruin at Desert View on the Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
The cliffs overlooking the First Forest at Petrified Forest National Park, Arizona, United States of America, North America
Young brown bear (Ursus arctos), foraging for invertebrates at low tide in Glacier Bay National Park, Alaska, United States of America, North America
Fisheye view of a deep chasm near Papago Point at Grand Canyon with Zuni Point in the distance, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A young brown bear (Ursus arctos) with a dead salmon at Lake Clark National Park and Preserve, Alaska, 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
Dusk falls over Yosemite Falls in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Night photography at South Canyon, just before river mile 32, Grand Canyon National Park, Arizona, United States of America, North America
Flight seeing from Haines over the Fair-weather Range in Glacier Bay National Park, Southeast Alaska, USA.
Flight seeing from Haines over the Fair-weather Range in Glacier Bay National Park, Southeast Alaska, USA.
Mummy cliff, Capitol Reef National Park, Utah, USA
An young white-tailed deer (Odocoileus virginianus), Big Bend National Park, Texas, United States of America, North America
An adult Mexican jay (Aphelocoma wollweberi), Big Bend National Park, Texas, United States of America, North America
An adult Eastern black-tailed rattlesnake (Crotalus ornatus), 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
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
Old cliff dwellings and cliff palace in the Mesa Verde National Park, Colorado, USA *** Local Caption ***
Sand dunes, Death Valley National Park, California, USA
Bison (Bison bison), Theodore Roosevelt National Park, North Dakota, 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
Virgin River flowing through Court of the Patriarchs, Zion National Park, Utah, United States of America, North America
Bryce Canyon from Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Various hoodoos in Angels Garden at Petrified Forest National Park, Arizona, United States of America, North America
Abandoned car in Rhyolite, a ghost town in Nye County, near Death Valley National Park, Nevada, United States of America, North America
The red water of Lithodendron Wash, red from bentonite clay, in Petrified Forest National Park, Arizona, United States of America, North America
View of Two Towers Bridge from the Fairyland Trail in Bryce Canyon National Park, Utah, United States of America, North America
Grand Teton National Park mountains, Jackson, Wyoming, United States of America, North America
Hoodoos with snow lit by late afternoon sun, from Rim Trail near Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Soda Butte Creek at dawn with snow, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View from Angels Landing, Zion National Park, Utah, United States of America, North America
Checkerboard Mesa, Zion National Park, Utah, United States of America, North America
Landscape near Zion National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
View of Bryce Canyon National Park at sunset, from Sunset Point, Utah, United States of America, North America
Two Bison (Bison bison) bulls sparring, Yellowstone National Park, Wyoming, United States of America, North America
A view of Mosaic Canyon Trail in Death Valley National Park, California, United States of America, North America