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The Trans Alaska Oil Pipeline running on refridgerated support to stop oil heat melting the permafrost,Mount Hayes (4116m) and the Alaska Range in the background, Alaska, USA
Dawn mist in autumnal colours and hunters cabin closed for the winter, Kenai Peninsula, Alaska, USA, North America
Maroon Bells seen from stream rushing to feed Maroon Lake nearby, Aspen, Colorado, Rocky Mountains, USA, North America
Trans Alaska oil pipeline across taiga through Alaskan Range carried on insulated ground piles, Alaska, USA
Niagara Falls on the Niagara River that connects Lakes Ontario and Erie, American Falls on the left, and Horseshoe Falls on the right, New York State, United States of America (U.S.A.), North America
Rock formation known as Swirls on Colorado Plateau, Arizona, United States of America (U.S.A.), North America
Cactus silhouetted against lightning, Tucson, Arizona, United States of America (U.S.A.), North America
Cactus silhouetted against lightning, Tucson, Arizona, United States of America (U.S.A.), North America
West Rim, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America (U.S.A.), North America
Cactus silhouetted against lightning, Tucson, Arizona, United States of America (U.S.A.), North America
View of active volcano from helicopter, Big Island, Hawaii, Hawaiian Islands, United States of America (U.S.A.), North America
Lake Quinault, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Blonde girl looks at snow covered peaks from the Paradise Lodge, Mount Rainier, Washington State, United States of America (U.S.A.), North America
Winter landscape, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Landscape with wild flowers, Mount Rainier National Park, Washington state, United States of America, North America
Mount Rushmore National Monument, Black Hills, South Dakota, United States of America, North America
View of Courthouse Towers, The Organ and Three Gossips at dawn, Arches National Park, Utah, United States of America, North America
The Mittens and Merrick Butte, Monument Valley Navajo Tribal Park, Utah, United States of America, North America
Morning Glory Pool and surrounds, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Autumn (fall) storm approaches, Mormon Row barn, Antelope Flats, Grand Teton National Park, Wyoming, United States of America, North America
Cold tourists on seat surrounded by steam, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Dead trees and steam with mountain backdrop and blue skies, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Tree studded ridges, fog and clouds of a partial temperature inversion, Bryce Canyon, Bryce Canyon National Park, Utah, United States of America, North America
Dawn mist, Mount Moran, Oxbow Bend, Snake River, Grand Teton National Park, Wyoming, United States of America, North America
Pinnacles and hoodoos with fog extending into clouds of a partial temperature inversion, Bryce Canyon National Park, Utah, United States of America, North America
Fallen lodgepole pines, Grand Prismatic Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Fishing Cone Geyser with freezing mists, Yellowstone Lake at West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Wildfowl on Snake River surrounded by a cold dawn mist, autumn (fall), Grand Teton National Park, Wyoming, United States of America, North America
Fog and clouds of a partial temperature inversion surround the red rocks of Bryce Canyon, Bryce Canyon National Park, Utah, United States of America, North America
A chairlift taking skiers to the back bowls of Vail ski resort, Vail, Colorado, United States of America, North America
Field of canola on the Enchanted Highway, Regent, North Dakota, United States of America, North America
Returning on horseback, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America
Stream through wildflowers, Mineral Basin, Uncompahgre National Forest, Colorado, United States of America, North America
Saguaro cacti and barrel cacti in bloom, Saguaro National Park, Rincon Mountain District, Tucson, Arizona, United States of America, North America
Group of people hold hands at the summit of Nohoch Mul Pyramid in the Ancient Mayan City of Coba, outside Tulum, Mexico, North America
Glacial ice calved from the Sawyer Glacier, Williams Cove, Tracy Arm-Ford's Terror Wilderness Area, Southeast Alaska, United States of America, North America
Glacial ice calved from the Sawyer Glacier, Williams Cove, Tracy Arm-Ford's Terror Wilderness Area, Southeast Alaska, United States of America, North America
Calved glacier ice in Tracy Arm-Ford's Terror Wilderness area, Southeast Alaska, United States of America, North America
Tenaya Lake at sunset from Olmsted Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
A lone photographer stands perched on a rock silhouetted against the dawn orange sky at Yaki Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Sun rays extend from a cloud perched on the horizon putting Vishnu temple into silhouette, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Monument Valley Navajo Tribal Park, view from Artist Point, Merrick Butte (foreground), Utah, United States of America, North America
Monument Valley Navajo Tribal Park, view from John Ford's Point, Navajo Man on Horse, Utah, United States of America, North America
Monument Valley Navajo Tribal Park, view from John Ford's Point, Navajo Man on Horse, Utah, United States of America, North America
Winter landscape in Biosphere reserve with snow covered mountains, Lake Khar Us Nuur, Province of Khovd, Mongolia, Central Asia, Asia
Sandy Beach, Acadia National Park, Mount Desert Island, Maine, New England, United States of America, North America
Bass Harbor Head Lighthouse, Bass Harbor, Mount Desert Island, Acadia National Park, Maine, New England, United States of America, North America
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View from Icelandair passenger jet aircraft window over Boston, Massachusetts, New England, United States of America, North America
Cape Royal Viewpoint at sunset, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Lone horse rider at John Fords Point, Merrick Butte, Monument Valley Navajo Tribal Park, Arizona, United States of America, North America
West Mitten Butte, East Mitten Butte and Merrick Butte, The Mittens at sunset, Monument Valley Navajo Tribal Park, Arizona, United States of America, North America