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Grizzly (brown) bear (Ursus arctos) at Crescent Lake, Lake Clark National Park and Preserve, Alaska, United States of America, North America
An adult brown bear (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
A view of Tarr Inlet in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Southeast 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
Mount Redoubt and Crescent Lake, Lake Clark National Park and Preserve, Alaska, United States of America, North America
Rainbow over South Marble Island in Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
A view of Johns Hopkins Glacier against the Fairweather Range in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Alaska, United States of America, North America
Beaver (Castor canadensis) swimming, Denali National Park and Preserve, Alaska, United States of America, North America
Mount McKinley in the fall, Denali National Park and Preserve, Alaska, United States of America, North America
Grizzly bear (Ursus arctos horribilis) (Coastal brown bear) sow and spring cub walking along a stream, Katmai National Park and Preserve, Alaska, United States of America, North America
Adult brown bears (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
A mother brown bear (Ursus arctos) with her cubs on the beach in Lake Clark National Park and Preserve, Alaska, United States of America, North America
A view of Margerie Glacier against the Fairweather Range in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Alaska, United States of America, North America
Red squirrel (spruce squirrel) (Tamiasciurus hudsonicus) in a spruce tree, Denali National Park and Preserve, Alaska, United States of America, North America
Grizzly bear (Ursus arctos horribilis) (Coastal brown bear) cub, Katmai National Park and Preserve, Alaska, United States of America, North America
Aerial of Lake Clark National Park and Preserve, Alaska, United States of America, North America
An adult brown bear (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
Sunset in Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
A trio of brown bears (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
The Cliff Palace Indian dwelling, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
An adult brown bear (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
Female willow ptarmigan (Lagopus lagopus), Denali National Park and Preserve, Alaska, United States of America, North America
The Cliff Palace Indian dwelling, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Grizzly bear (Ursus arctos horribilis) (Coastal brown bear) cub, Katmai National Park and Preserve, Alaska, United States of America, North America
Braided river in the fall, Denali National Park and Preserve, Alaska, United States of America, North America
An adult brown bear (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
A pair of brown bears (Ursus arctos) mock fighting at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
Black bear (Ursus americanus) among fall color, Denali National Park and Preserve, Alaska, United States of America
Mount McKinley among clouds, Denali National Park and Preserve, Alaska, United States of America, North America
Willow Ptarmigan (Lagopus lagopus), Katmai National Park and Preserve, Alaska, United States of America, North America
Mount Redoubt, Lake Clark National Park and Preserve, Alaska, United States of America, North America
An adult brown bear (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
Mother brown bear (Ursus arctos) standing and looking for salmon, Lake Clark National Park and Preserve, Alaska, United States of America, North America
Lamplugh Glacier, a tidewater glacier in Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
Mount Foraker in the fall, Denali National Park and Preserve, Alaska, 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
Mount Redoubt, Lake Clark National Park and Preserve, Alaska, United States of America, North America
A pointed peak of bentonite in Hamilili Valley on the south end of Petrified Forest National Park, Arizona, United States of America, North America
Brown Bear (Ursus arctos horribilis) in Moraine Creek, Katmai National Park and Preserve, Alaska, United States of America, North America
Mount Redoubt, Lake Clark National Park and Preserve, Alaska, United States of America, North America
A mother and her cub (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
Brown Bear (Ursus arctos horribilis) sow and two cubs, Katmai National Park and Preserve, Alaska, United States of America, North America
The Cliff Palace Indian dwelling, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
A young brown bear (Ursus arctos) along the shoreline at Lake Clark National Park and Preserve, Alaska, United States of America, North America
Autumn tundra, Denali National Park and Preserve, Alaska, United States of America, North America
Brown Bear (Ursus arctos horribilis) running through water, Katmai National Park and Preserve, Alaska, United States of America, North America
The Cliff Palace Indian dwelling, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Scenic view of forest and mountains, Denali National Park and Preserve, Alaska, United States of America, North America
Sand dune with frost at dawn, Great Sand Dunes National Park and Preserve, Colorado, United States of America, North America
Mount McKinley (Mount Denali), Denali National Park and Preserve, Alaska, United States of America
A young brown bear (Ursus arctos) along the shoreline at Lake Clark National Park and Preserve, Alaska, United States of America, North America
Brown Bear (Ursus arctos horribilis) sow and cub, Katmai National Park and Preserve, Alaska, United States of America, North America
A tourist ship explores the Lamplugh Glacier in Glacier Bay National Park and Preserve, southeast Alaska, United States of America, North America
Scenic view of forest and mountains, Denali National Park and Preserve, Alaska, United States of America, North America
Bayou in swampland at Jean Lafitte National Historic Park and Preserve, south of New Orleans, Louisiana, United States of America (U.S.A.), North America
Redoubt Mountain Lodge on Crescent Lake, Lake Clark National Park and Preserve, Alaska, United States of America, North America
Sand dunes in the Great Sand Dunes National Park and Preserve with Sangre Cristo Mountains in the background, Colorado, United States of America, North America
Swamp at Jean Lafitte National Historic Park and Preserve, south of New Orleans, Louisiana, United States of America, North America
Barn at the Swaner Nature Preserve, Park City, Utah, United States of America, North America
A view of the Polychrome (many-colored) Mountains from a lookout point on the park road inside Denali National Park and Preserve , Alaska, USA.
A view of the Polychrome (many-colored) Mountains from a lookout point on the park road inside Denali National Park and Preserve , Alaska, USA.
A view of the Polychrome (many-colored) Mountains from a lookout point on the park road inside Denali National Park and Preserve , Alaska, USA.
A view of the Polychrome (many-colored) Mountains from a lookout point on the park road inside Denali National Park and Preserve , Alaska, USA.
Dorid nudibranches (Chromodoris spp.), Lapus Lapus Island marine park, Malapascua, Cebu, Philippines, Southeast Asia, Asia
A view of the Polychrome (many-colored) Mountains from a lookout point on the park road inside Denali National Park and Preserve , Alaska, USA.
A Park interpreter poses for a scene in Grasslands National Park, Saskatchewan, of stargazing with binoculars under the Milky Way on a dark moonless night. Grasslands is perfect for stargazing as it is a Dark Sky Preserve and the horizon is vast and unobstructed.
Detail, Grey Glacier, in Grey Lake, Torres del Paine national park, Patagonia, Chile
Pia bay or Pia Fjord, in Beagle Channel (northwest branch), PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile
Pia Glacier, from Pia bay, in Beagle Channel (northwest branch), PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile
Grey Lake, iceberg detached from Grey Glacier, Torres del Paine national park, Patagonia, Chile
An observer gazes skyward with his Dobsonian reflector telescope at the Saskatchewan Summer Star Party on August 9, 2018, in the Cypress Hills of southwest Saskatchewan, at the Cypress Hills Interprovincial Park, a Dark Sky Preserve. The Milky Way shines to the south. Smoke in the sky obscures the horizon somewhat.
A Park interpreter poses for a scene in Grasslands National Park, Saskatchewan, of stargazing with binoculars under the Milky Way on a dark moonless night. Grasslands is perfect for stargazing as it is a Dark Sky Preserve and the horizon is vast and unobstructed.
Detail, Grey Glacier, in Grey Lake, Torres del Paine national park, Patagonia, Chile
Explorers riding a zodiac, in Seno Almirantazgo, PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile
Grey Glacier, in Grey Lake, Torres del Paine national park, Patagonia, Chile
A dim aurora to the north at Grasslands National Park, Saskatchewan, at the Larson Ranch site and its rustic pioneer cabins. Taken August 8, 2016. This is looking northeast to Andromeda (the Andromeda Galaxy is above centre) and Perseus (the Double Cluster is left of centre). This Park is a Dark Sky Preserve. There are no lights visible. Illumination here is from starlight and the setting waxing crescent Moon to the southwest.
Hikers and signaling in Torres Sector, Torres del Paine national park, Patagonia, Chile
Imperial cormorant (Phalacrocorax atriceps), Tuckers Islets, Whiteside Canal, PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile
Pia Glacier, from Pia bay, in Beagle Channel (northwest branch), PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile
Grey Lake, iceberg detached from Grey Glacier, Torres del Paine national park, Patagonia, Chile
Traro (Caracara plancus), Tuckers Islets, Whiteside Canal, PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile
A Perseid meteor streaks down the Milky Way over the Saskatchewan Summer Star Party in the Cypress Hills of southwest Saskatchewan, at Cypress Hills Interprovincial Park, a Dark Sky Preserve. The Milky Way shines to the south. About 350 stargazers attend the SSSP every year.
Mirador Cuernos, in Lago Nordenskjöld, You can see the amazing Cuernos Del Paine and Monte Almirante Nieto, Torres del Paine national park, Patagonia, Chile
Detail of Cordillera Darwin, from Beagle Channel (northwest branch), PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile
Grey Glacier, in Grey Lake, Torres del Paine national park, Patagonia, Chile
Soft coral, Dendronephthya sp., Lapus Lapus Island marine park, Malapascua, Cebu, Philippines.
Great Sand Dunes National Park and Preserve, Alamosa County, Colorado, USA
Camper, Mount Robson, Mount Robson Park, Alberta, Canada
Ski mountaineers during the ascent of Mt Seekofel in the Fanes-Sennes-Prags Nature Park of the Dolomites, Mt Neuner at the back, Mt Seneser Karspitze on the right, St. Vigil, Puster Valley, South Tyrol, Italy, Europe
John and Bartha Moulton Homestead, Mormon Barn in the morning, historic barn of the Mormons in front of Teton Range, Mormon Row Historic District, Antelope Flats, Grand Teton National Park, Wyoming, United States of America, USA
Herd of Wildebeest, Wildebai, or Gnu (Connochaetes) crossing the Mara river in Masai Mara, Kenya, Africa
Reflection of Mount Taranaki in the Pouakai Tarns, Taranaki, Mount Egmont National Park, North Island, New Zealand
Rhinoceros (Rhinocerotidae), young crossing a dirt track, Kaziranga National Park, Assam, northeast India, India, Asia
Hoffmann's two-toed sloth (Choloepus hoffmanni), hanging upside down in a tree, La Fortuna, Costa Rica, Central America
Blue or Common Wildebeest (Connochaetes taurinus), during migration, wildebeest jostling for positions ont he shore of the Mara River, Masai Mara, Kenya, East Africa, Africa
Green and black poison dart frog (Dendrobates auratus), Tenorio Volcano National Park, Costa Rica, Central America
Tiger (Panthera tigris), lying in water, Ranthambore National Park, Rajasthan, India, Asia
Morning Glory Pool, a hot spring in Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
American Bison (Bison bison), bull crossing a road in front of a car, Yellowstone National Park, Wyoming, USA
Fly Agaric or Fly Amanita mushroom (Amanita muscaria) in the Kalkalpen National Park in Upper Austria, Europe