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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
Devil's Garden, with snow, Arches 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 Train Depot in Rhyolite, a ghost town in Nye County, near Death Valley National Park, Nevada, United States of America, North America
Friends at Grand Teton National Park, Wyoming, United States of America, North America
Walkers on Grand Teton National Park trails, Wyoming, United States of America, North America
Rock and pine trees lit by early morning sun in winter, Queen's Garden Connecting Trail, Bryce Canyon National Park, Utah, United States of America, North America
Hoodoos, rim and snow lit by dawn light in winter, Queen's Garden Trail at Sunrise Point, Bryce Canyon National Park, Utah, United States of America, North America
Hoodoos and snow lit by strong dawn light in winter, Queen's Garden Trail at Sunrise Point, Bryce Canyon National Park, Utah, United States of America, North America
Grand Canyon view from Moran Point on a cloudy day with the clouds floating inside the canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Fresh snow fall, Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Sunrise over Yellowstone Lake with reflection, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Elk, Firehole River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Smoking Kilauea Summit Lava Lake in the Hawaii Volcanoes National Park, UNESCO World Heritage Site, Big Island, Hawaii, United States of America, Pacific
Upper and Lower Yosemite Falls, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Upper and Lower Yosemite Falls, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Osprey (Pandion haliaetus) fledglings on nest, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Elk herd (Cervus canadensis) grazing in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bryce Canyon Amphitheater from Bryce Point, Bryce Canyon National Park, Utah, United States of America, North America
Adult desert bighorn sheep (Ovis canadensis), Zion National Park, Utah, United States of America, North America
Coyote (Canis latrans) in snow, Yellowstone National Park, Wyoming, United States of America, North America
A view of Spire Cove in Resurrection Bay in Kenai Fjords National Park, Alaska, 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
The huge caldera of the Crater Lake National Park, Oregon, United States of America, North America
Moulton barn in the snow framed by trees, Grand Teton National Park, Wyoming, 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
Vertical of bull moose (Alces alces) in front of Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Coronado Butte at Grand Canyon viewed from the end of Coronado Ridge, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Columbian ground squirrel (Citellus columbianus), Glacier National Park, Montana, United States of America, North America
Juvenile gray-crowned rosy-finch (Leucosticte tephrocotis), Glacier National Park, Montana, 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 lake in Denali National Park, Alaska, United States of America, North America
Kiva and other structures at Pueblo Bonito, Chaco Culture National Historic Park, UNESCO World Heritage Site, New Mexico, United States of America, North America
Lone tree in snow dune, 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
View of Delicate Arch through Frame Arch with sunburst, Arches National Park, Utah, United States of America, North America
Narada Falls, Mount Rainier National Park, Washington State, United States of America, North America
Pacific coast beach, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Mountains, 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 Transept Trail sign where it branches off from the Bright Angel Point Trail on the North Rim of Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A bench overlooking Grand Canyon North Rim from the Vista Encantada Picnic area, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Full moon over Fiery Furnace, a maze like passageway, Arches 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
From Pima Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Cook Inlet coast, Katmai National Park and Reserve, Alaska, United States of America, North America
Cook Inlet coast, Katmai National Park and Reserve, Alaska, United States of America, North America
Mount Redoubt, Lake Clark National Park and Preserve, Alaska, United States of America, North America
A view of the Aialik Glacier, coming off the Harding Ice Field, Kenai Fjords National Park, Alaska, United States of America, North America
Upper Yosemite Falls, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Teton Range from Schwabache Landing, Grand Teton National Park, Wyoming, United States of America, North America
An adult tufted puffin (Fratercula cirrhata) roosting on a cliff in Kenai Fjords National Park, Alaska, United States of America, North America
Schwabacher landing, Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
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
Hall of Mosses rainforest, Olympic National Park, UNESCO World Heritage Site, Washington State, 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
A view of the Exit Glacier, coming off the Harding Ice Field, Kenai Fjords National Park, Alaska, 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
Morning sunlight and mist, Reflection Lake, Mount Rainier National Park, Washington State, United States of America, North America
Grand Canyon viewed from the Bright Angel Trail in winter just past the 1.5 Mile Rest House after sunrise, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
View of the Deadhorse Creek Trail, Mount Rainier National Park, Washington State, United States of America, North America
Views of the Nisqually Glacier retreat from the Skyline Trail, Mount Rainier National Park, Washington State, United States of America, North America
Shooting the rapids in a raft on the Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A ridge in the Devil's Playground of crumbling hoodoos that resemble Goblins, Petrified Forest National Park, Arizona, United States of America, North America
Panorama of a ridge in the Devil's Playground of crumbling hoodoos, Petrified Forest National Park, Arizona, United States of America, North America
Grandview Point viewed from the port bow of the formation called Sinking Ship, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
The Bow Rock of the formation called Sinking Ship in Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Autumn reflections on the River Merced in Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
View from Cape Royal, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
View from Cape Royal, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
View of Lipan Point on the right from Pinal Point at Grand Canyon, with The Desert View Watchtower in the distance, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon viewed from No Name Point halfway between Lipan Point and Pinal Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Tourists standing in front of the Aialik Glacier, coming off the Harding Ice Field, Kenai Fjords National Park, Alaska, United States of America, North America
Colorful view overlooking Mount Rainier National Park, Washington State, United States of America, North America
El Capitan and the Yosemite Valley from the Merced River at Valley View, Yosmeite National Park, UNESCO World Heritage Site, California, United States of America, North America
Grand Canyon viewed from the cliffs west of Moran Point with Coronado Butte on the far left, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A view of the upper Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, 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
Night photography at Schist, just before river mile 97, Grand Canyon National Park, Arizona, United States of America, North America
An adult Scotts oriole (Icterus parisorum), Big Bend National Park, Texas, United States of America, North America
Sequoia trees in the Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Male elk (Cervus canadensis), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Harebell (Campanula rotundifolia), Grand Teton National Park, Wyoming, United States of America, North America
Water cascading down cliffs in Misty Fjord National Park, Alaska, United States of America, North America
Grand Teton National Park waters, Wyoming, United States of America, North America
Grand Teton National Park mountains, Jackson, Wyoming, United States of America, North America
Grand Geyser erupts, forcing steam high into the air, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Lone observer watches Grand Geyser erupt, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Cascades through moss-covered boulders, Olympic National Park, Washington State, United States of America, North America
Hiker on Navajo Loop Trail with hoodoos and pine trees lit by early morning sun in winter, Bryce Canyon National Park, Utah, United States of America, North America
Rim tree and hoodoos with a cloudy winter's sunrise, Rim Trail near Inspiration Point, Bryce Canyon National Park, Utah, United States of America, North America
Weakly lit snowy rim, pine trees and hoodoos with cloudy sky, near Agua Canyon, Bryce Canyon National Park, Utah, United States of America, North America
Volcanic landscape, Hawaii Volcanoes National Park, UNESCO World Heritage Site, Big Island, Hawaii, United States of America, North America
Teton range at first light in winter, Grand Teton National Park, Wyoming, United States of America, North America
Grand Canyon view from Moran Point on a cloudy day with the clouds floating inside the canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Eastern section of Zion National Park, Utah, United States of America, North America