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Woman posing in Rattlesnake Canyon, Arizona, United States of America, North America
Climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Mount Hunter, Denali National Park, Alaska, United States of America, North America
Camp 1, climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Climbing expedition on Mount McKinley, 6194m, Denali National Park, 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
Hot air balloon over Auburns farmland, Washington State, United States of America, North America
The Very Large Array (The National Radio Astronomy Observatory), multiple antennas, New Mexico, United States of America, North America
Whale watching boats off the coast of Orcas Island overlooking Mount Baker, Washington State, United States of America, North America
The Very Large Array (The National Radio Astronomy Observatory), a single antenna, New Mexico, United States of America, North America
The Very Large Array (The National Radio Astronomy Observatory), multiple antennas, New Mexico, United States of America, North America
The Very Large Array (The National Radio Astronomy Observatory), multiple antennas, New Mexico, United States of America, North America
A blue-spotted sea urchin (Astropyga radiata), Hawaii, United States of America, Pacific, North America
Bigeye emperor (Monotaxis grandoculis), Maui, Hawaii, United States of America, Pacific, North America
Raccoon butterflyfish (Chaetodon lunula) and saddle wrasse (Thalassoma duperrey), off the island of Lanai, Hawaii, United States of America, Pacific, North America
A close-up of the underside of the crown-of-thorns starfish (Acanthaster planci), United States of America, North America
The very capable teeth in the jaw of a stout moray (Gymnothorax eurostus), Hawaii, United States of America, Pacific, North America
Whitetip reef sharks (Triaenodon obesus) resting on the ocean floor, Hawaii, United States of America, Pacific, North America
Breaching humpback whale (Megaptera novaeangliae), Hawaii, United States of America, Pacific, North America
The tail of a humpback whale (Megaptera novaeangliae), off the coast of Lanai, Hawaii, United States of America, Pacific, North America
A young humpback whale calf testing out its leaping capabilities, Hawaii, United States of America, Pacific, North America
A humpback whale (Megaptera novaeangliae) glides through the blue waters of Hawaii, United States of America, Pacific, North America
A humpback whale calf (Megaptera novaeangliae) heading to the surface, Hawaii, United States of America, Pacific, North America
A humpback whale calf (Megaptera novaeangliae) breaching of the island of Maui, Hawaii, United States of America, Pacific, North America
Platform of the Eagles and Jaguars, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America
Tiki torches at sunset on Poipu Beach, Kauai, Hawaii, United States of America, Pacific
Hawaiian goose (nene) (Branta sandvicensis), at Historic Kilauea Lighthouse, Kilauea Point National Wildlife Refuge, Kauai, Hawaii, United States of America, Pacific
A low sun lights Brahma and Zoroaster temples and the cliff below Hopi Point with the metamorphic Vishnu basement rocks below, Grand Canyon, UNESCO World Heritage Site, Arizona, 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
Parthenon in Centennial Park, Nashville, Tennessee, United States of America, North America
Isis Temple picks up the first light of the day as the sun rises on the Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Looking down onto the inner canyon and Colorado River from Mohave Point as it flows through the 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
Stone carved Hieroglyphs, Structure of Five Floors (Pisos), Edzna, Mayan archaeological site, Campeche, Mexico, North America
Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America
Kasha-Katuwe Tent Rock National Monument, tent like rock formations, from volcanic eruptions 6 to 7 million years ago, New Mexico, United States of America, North America
Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America
Mesa Verde National Park, Fire Temple, UNESCO World Heritage Site, Colorado, United States of America, North America
Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America
Mesa Verde National Park, Fire Temple, UNESCO World Heritage Site, Colorado, United States of America, North America
Two swift fox (Vulpes velox) kits, Pawnee National Grassland, Colorado, United States of America, North America
VLA (Very Large Array) of the National Radio Astronomy Observatory, New Mexico, United States of America, North America
Downtown and TransAmerica Building, San Francisco, California, United States of America, North America
Golden Gate Bridge from Marshall Beach, San Francisco, California, United States of America, North America
Stoat (Short-tailed weasel) (Mustela erminea), Mount Evans, Colorado, United States of America, North America
Vermilion flycatcher (Pyrocephalus rubinus), Patagonia Lake State Park, Arizona, United States of America, North America
Mountain goat (Oreamnos americanus), Mount Evans, Colorado, United States of America, North America
Burrowing Owl (Athene cunicularia) spreading wings in the rain, United States of America, North America
Swift fox (Vulpes velox) vixen and kit, Pawnee National Grassland, Colorado, United States of America, North America
Violet-crowned hummingbird (Amazilia violiceps) in flight, Patagonia, Arizona, United States of America, North America
Mission Basilica San Diego de Alcala, San Diego, California, United States of America, North America
Golden Gate Bridge from Marshall Beach, San Francisco, California, United States of America, North America
Grey wolf, Indiana, United States of America, North America
White Sands National Monument, New Mexico, United States of America, North America
Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America
Golden Gate Bridge, San Francisco, California, United States of America, North America
Mirror Lake, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Golden Gate Bridge, San Francisco, California, United States of America, North America
Petroglyphs on Newspaper Rock, Newspaper Rock Recreation Area, Utah, United States of America, North America
Golden Gate Bridge from Marshall Beach, San Francisco, California, United States of America, North America
Grey wolf, near Layfayette, Indiana, United States of America, North America
Monument Valley Navajo Tribal Park, Park Road (foreground), Merrick Butte (background), Utah, United States of America, North America
Monument Valley Navajo Tribal Park, West Mitten (sunrise), Utah, United States of America, North America
Two sandhill crane (Grus canadensis) in flight, Bosque del Apache National Wildlife Refuge, New Mexico, 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
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Fajada Butte, UNESCO World Heritage Site, New Mexico, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Four barn swallow (Hirundo rustica) chicks chirping, Custer State Park, South Dakota, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Fajada Butte, UNESCO World Heritage Site, New Mexico, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Hollywood Beach, Florida, United States of America, North America
Hiking in the Ideal Cove area of Southeast Alaska, Alaska, United States of America, North America
Hiking in the Ideal Cove area of Southeast Alaska, Alaska, United States of America, North America
Monument Valley Navajo Tribal Park, view from Artist Point Utah, United States of America, North America
Monument Valley Navajo Tribal Park, Merrick Butte, Utah, 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, 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
Beefeaters in State Dress, Tower of London, England, United Kingdom, Europe
Beefeaters in State Dress, Tower of London, England, United Kingdom, Europe
Paul Revere, Old Granary Burial Ground, Boston, Massachusetts, New England, United States of America, North America
Western diamond-back rattlesnake (Western diamondback Rattlesnake) (Crotalus atrox) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Captive river otter (Lutra canadensis) swimming, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Spring in the Palouse, from Steptoe Butte, Washington State, United States of America, North America
Desert cottontail (Sylvilagus audubonii), Rockhound State Park, New Mexico, United States of America, North America
Coati (Nasua narica) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Harris's hawk (Parabuteo unicinctus) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Barn owl (Tyto alba) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Least sandpiper (Calidris minutilla) wading while feeding, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America
Cruise ship near Hubbard Glacier, Yakutat Bay, Gulf of Alaska, Southeast Alaska, United States of America, North America
US Marines Iwo Jima monument, Arlington National Cemetery, Virginia., United States of America, North America