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Florisuga mellivora (White-necked Jacobin) hovering, Soberania National Park, Republic of Panama, Central 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

Otodome Falls, Fuji-Hakone-Izu National Park, UNESCO World Heritage Site, Shizuoka Prefecture, Honshu, Japan, Asia

Bull porcupine caribou (Grant's caribou) (Rangifer tarandus granti), Denali National Park, Alaska, United States of America

View over Carolafelsen Rocks at sunset, Elbsandstein Mountains, Saxony Switzerland National Park, Saxony, Germany, Europe

Chimpanzee (Pan troglodytes), Gombe Stream National Park, Lake Tanganyika, Tanzania, East Africa, Africa

Sierra de las Cutas on the south rim above a Rio Arazas waterfall, Ordesa Valley, Ordesa National Park, Pyrenees, Aragon, Spain, Europe

The rocky River Plym running through an autumnal Cadworthy Wood, Dartmoor National Park, Devon, England, United Kingdom, Europe

View of the Petrified Forest National Park from the Long Logs Trail on the south end of the park, 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

Wildflowers, fireweed (willowherb) near Bow Lake, Icefields Parkway, Banff National Park, UNESCO World Heritage Site, Canadian Rockies, Alberta, Canada, North America

An adult American red squirrel (Tamiasciurus hudsonicus) in the trees in Denali National Park, Alaska, United States of America, North America

Adult Indian paradise flycatcher (Terpsiphone paradisi), perched on a tree in Wilpattu National Park, Sri Lanka, Asia

Wild European bison (Bison bonasus) walking in a meadow in winter, Bialowieza National Park, Poland, Europe

Cliff Geyser erupting in the Black Sand Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Yew Tree Tarn on a sunny autumn day, Lake District National Park, Cumbria, England, United Kingdom, Europe

Pyramid Mountain reflected in Patricia Lake in autumn, Jasper National Park, UNESCO World Heritage Site, Canadian Rockies, Alberta, Canada, North America

Milky way rises over the Canadian Rockies in the Yoho National Park, with moonlight cast on the mountain and Aurora over horizon, UNESCO World Heritage Site, Canadian Rockies, Alberta, Canada, North America

Winstanley Island late afternoon reflections, Misty Fjords National Monument, Tongass National Forest, Ketchikan, Alaska, United States of America, North America

An adult American red squirrel (Tamiasciurus hudsonicus), Leigh Lake, Grand Teton National Park, Wyoming, United States of America, North America

A woodland stream, the River Dart flowing through ancient oak woodland, in the heart of Dartmoor National Park, Devon, England, United Kingdom, Europe

Hills of Bentonite Clay called Teepees at the start of the Blue Forest Trail in Petrified Forest National Park, Arizona, United States of America, North America

Early light on Mount Rainier from the Burroughs Mountain Trail, Mount Rainier National Park, Washington State, United States of America, North America

Toxic pond formed from runoff of mine tailings at an abandoned copper mine in the Prescott National Forest near Perkinsville, Arizona, United States of America, North America

Arnica Lake in autumn with Larch trees and Mountains, Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Woodland path through a deciduous forest in autumn, Watersmeet, Exmoor National Park, Devon, England, United Kingdom, Europe

Man enjoying the view along The Petrified Forest Loop Trail inside Theodore Roosevelt National Park, North Dakota, United States of America, North America

Blood red ridges of Bentonite clay on the east side of Tiponi Point in Petrified Forest National Park, Arizona, United States of America, North America

The Washakie Wilderness area within Shoshone National Forest, Wyoming, United States of America, North America

Castle Geyser steaming, with Old Faithful erupting behind, in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Quiet wooden path in Mount Rainier National Park, Washington State, 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 ridge of hoodoos that resemble dog heads in Devil's Playground at Petrified Forest National Park, Arizona, United States of America, North America

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

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

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

Evening mist in the valley of the East Lyn River, near Lynmouth, Exmoor National Park, Devon, England, United Kingdom, Europe

Moss-covered boulders and a tumbling stream, in ancient woodland, in the Erme Woods, near Ivybridge, Dartmoor National Park, Devon, England, United Kingdom, Europe

A deep canyon eroded thru the hills of purple and gray bentonite clay near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Bigleaf maple (Oregon maple) (Acer macrophyllum) in the fall, Mount Hood National Forest, Oregon, United States of America, North America

Moss-covered boulders and trees along the River Plym, Dewerstone, Dartmoor National Park, Devon, England, United Kingdom, Europe

The Cathedral Group of Mount Teewinot, Mount Owen and Grand Teton reflected in the Beaver Pond, Schwabacher's Landing, Grand Teton National Park, Wyoming, United States of America, North America

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

Couple Andean cock-of-the-rock (Rupicola peruviana), Manu National Park cloud forest, Peru's national bird, Peru, South 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

Flute player pictograph, Honanki Heritage Site, Coconino National Forest, 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

An Indian dwelling in Petrified Forest National Park called the Agate House, built between 1030AD and 1300AD, 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

Sunrise over the frozen Otto Lake and snowy mountains of Denali National Park in the background, Alaska, United States of America, North America

An island of rock just off the Billings Gap Trail at Petrified Forest National Park, Arizona, United States of America, North America

Aerial view of car on icy road and illuminated headlamps driving in the snowcapped forest, at dawn, Akaslompolo, Kolari, Pallas-Yllastunturi National Park, Lapland region, Finland, Europe

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

Close up detail of a fern in the rainforest in Arenal Volcano National Park, Alajuela Province, Costa Rica, Central America

Close up detail of a fern in the rainforest in Arenal Volcano National Park, Alajuela Province, Costa Rica, Central America

Pueblito Chairama, Tayrona National Natural Park, Magdalena Department, Caribbean, Colombia, South America

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

Sunrise and storm clouds at Vermillion Lakes with Mount Rundle in autumn, Banff National Park, UNESCO World Heritage Site, Alberta, Rocky Mountains, Canada, North America

Hiker amongst giant redwood trees on the Trillium Trail, Redwood National and State Parks, UNESCO World Heritage Site, California, United States of America, North America

The eastern edge of the Clam Bed Mesa along the Red Basin Trail in Petrified Forest National Park, Arizona, 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

South side of Pendley Arch, Coconino National Forest just outside of Slide Rock State Park, Sedona, Arizona, United States of America, North America

Emerald Lake and Emerald Lake Lodge in the Canadian Rockies, Yoho National Park, UNESCO World Heritage Site, British Columbia, Canada, North America

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

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

View of Jasper Forest in Petrified Forest National Park Arizona from the southern side of Agate Plateau.

Ancient Indian petroglyphs on a boulder near Martha's Butte in Petrified Forest National Park Arizona.

Small cascade in forest, Valle Frances (Valle del Frances), Torres del Paine National Park, Patagonia, Chile, South America

The historic Walker Charcoal Kiln, dating from the late 1880s used to turn oak wood into charcoal for silver smelters, Prescott National Forest, just south of Prescott, Arizona, United States of America, North America

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

Natural Bridge Lower Falls, Yoho National Park, UNESCO World Heritage Site, British Columbia, Canada, North America

Autumn colours in ancient woodland, near Ivybridge, Dartmoor National Park, Devon, England, United Kingdom, Europe

A Silverback mountain gorilla, a member of the Agasha family in the mountains of Volcanos National Park, Rwanda, Africa

Closeup of the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America