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Views from the Skyline Trail of Mount Rainier National Park, Washington State, United States of America, North America

Adult North American porcupine (Erethizon dorsatum), climbing a tree, Glacier Bay National Park, Alaska, United States of America, North America

South Marble Islands, Glacier Bay National Park, UNESCO World Heritage Site, Southeast Alaska, United States of America, North America

Kayakers thread their way down a series of challenging drops that make up Great Falls of the Potomac River, Virginia, United States of America, North America

Formation called Agate Mesa, viewed from a group of petrified wood in the foreground, Petrified Forest National Park, Arizona, United States of America, North America

A hoodoo shaped like a table top, on a cliff along the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Mountains covered in snow and ice on Vermillion Lakes, Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Road through the redwoods, Avenue of Giants, Humboldt Redwoods State Park, California, United States of America, North America

Three hoodoos in a triangular formation in Devil's Playground called the Unholy Trinity, Petrified Forest National Park, Arizona, United States of America, North America

A rock bridge in Devil's Playground where Trolls could hide, Petrified Forest National Park, Arizona, United States of America, North America

Takakkaw Falls, second tallest waterfall in Canada, Yoho National Park, UNESCO World Heritage Site, British Columbia, Canada, North America

Sunrise at Lake Louise, Banff National Park, UNESCO World Heritage Site, Alberta, Rocky Mountains, Canada, North America

Sunrise at Lake Moraine, Banff National Park, UNESCO World Heritage Site, Alberta, Rocky Mountains, Canada, North America

Athabasca Falls at sunrise, Glacier Parkway, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Steaming fumaroles by Lake Linow, a popular volcanic attraction and geothermal centre south of Tomohon city, Lake Linow, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

An information sign detailing the history of Agate House in Petrified Forest National Park, Arizona, United States of America, North America

A small hill of gray bentonite clay that appears to be melting into the purple bentonite of Hamilili Valley on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A purple canyon with a dry creek in between hills of bentonite in Petrified Forest National Park, Arizona, United States of America, North America

Small mesas with flat tops called Rock Islands on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Mount Sir Donald, Glacier National Park, Rocky Mountains, British Columbia (B.C.), Canada, North America

Grand Teton National Park plains and mountains, Jackson, Wyoming, United States of America, North America

Misty morning, Malberg Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Pleasant Valley looking south illuminated by moonlight, Grand Canyon North Rim, Arizona, United States of America, North America

The North Valley below the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

The Little Teepees on the north side of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

A rock spire sculpted by the wind on Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

Male magnificent hummingbird (Eugenes fulgens) in flight, Chiricahuas, Coronado National Forest, Arizona, United States of America, North America

Towering Hoodoos in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America

The Giant Petrified Logs of Petrified Forest National Park, located along a trail behind the Rainbow Museum, Arizona, United States of America, North America

A creek at low tide winding through tidal salt marsh with Chesapeake Bay in the background, Virginia, United States of America, North America

Stand up paddle boarder and daughter cruise through a fresh water marsh near Sebago Lake, Maine, United States of America, North America

Aerial Panorama of Pamlico Sound salt marsh, Nags Head, North Carolina, United States of America, North America

Sunrise, entering the Misty Fjords National Monument, islands, forest and distant mountains, Ketchikan, Southeast Alaska, 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

Snow-capped mountains reflected in the calm waters of Leigh Lake, Grand Teton National Park, Wyoming, United States of America, North America

Formation in the Petrified Forest National Park called a Teepee, Arizona, United States of America, North America

Salt covered hills of Bentonite in the Petrified Forest National Park along the Blue Forest Trail, Arizona, United States of America, North America

Sunrise at Vermillion Lakes with Mount Rundle, Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Adult humpback whales (Megaptera novaeangliae), surfacing in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

Moody misty morning at Herbert Lake in the Canadian Rockies, Banff National Park, UNESCO World Heritage Site, Alberta, Canada, North America

Reflections in Tenaya Lake in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Tunnel View vista of Yosemite Valley in early morning sunlight, Yosemite, UNESCO World Heritage Site, California, United States of America, North America

Winter sunrise at Policeman's Creek with Three Sisters Peaks, Canadian Rockies, Canmore, Alberta, Canada, North America

Plains Bison shedding winter fur in Spring, Elk Island National Park, Alberta, Canada, North America

A rock formation called Agate Mesa, Petrified Forest National Park, Arizona, United States of America, North America

A rock hoodoo shaped like a horse head, along the base of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

A Bentonite formation in Petrified Forest National Park near Crystal Forest called the Battleship, Arizona, United States of America, North America

View from Olmsted Point to Half Dome, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Giant Sequoia, Mariposa Grove, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

The lower Yellowstone Falls in the Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Middle Baker's Brook Falls, Gros Morne National Park, UNESCO World Heritage Site, Rocky Harbour, Newfoundland, Canada, North America

Hiker in a redwood grove on the Avenue of Giants, Humboldt Redwoods State Park, California, United States of America, North America

Hiker in a redwood grove on the Avenue of Giants, Humboldt Redwoods State Park, California, United States of America, North America

Three hoodoos in a triangular formation in Devil's Playground called the Unholy Trinity, Petrified Forest National Park, Arizona, United States of America, North America

An ominous looking hoodoo in Devil's Playground at Petrified Forest National Park, Arizona, United States of America, North America

Fall color change amongst the trees and shrubs in Denali National Park, Alaska, United States of America, North America

Restaurant on Emerald Lake, Yoho National Park, UNESCO World Heritage Site, British Columbia, Canada, North America

Road through Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Maligne Canyon, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Aerial view of Kahikolu Congregation Church, Big Island, Hawaii, United States of America, North America

Upper section of Bear Canyon facing south, located in northeastern section of Prescott National Forest near Drake, Arizona, United States of America, North America

Rock Creek Lake in the fall with fog, Inyo National Forest, California, United States of America, North America

Yellowbelly marmot (Yellow-bellied marmot) (Marmota flaviventris), Shoshone National Forest, Wyoming, United States of America, North America

Old Faithful Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Petrified wood and an eroded hill, Petrified Forest National Park, Arizona, United States of America, North America

Cliffs of Sycamore Falls with dry inactive waterfalls, Kaibab National Forest near Williams, Arizona, United States of America, North America

California redwoods, Armstrong Woods State Park, near Guerneville, California, United States of America, North America

California redwoods, Armstrong Woods State Park, near Guerneville, California, United States of America, North America

Reflection Lake, Mount Rainier National Park, Washington State, United States of America, North America

Daisy Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Colourful Emerald Pool, Black Sand Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Nugget Falls Cascade, elevated view from Mendenhall Glacier Visitor Centre, Tongass National Forest, Juneau, Alaska, United States of America, North America

Blue iceberg, blue ice face of Mendenhall Glacier, elevated view, Visitor Centre, Tongass National Forest, Juneau, Alaska, United States of America, North America

Mountainous landscape at Moraine Lake, Banff National Park, UNESCO World Heritage Site, Canadian Rockies, Alberta, Canada, North America

Mountain rising above low-hanging clouds at Denali Parks Highway in autumn, near Teklanika River Campground, Denali National Park, Alaska, United States of America, North America