A pink flower drenched with raindrops.
Dubrovnik, Croatia, Red roofs and masonry in Old Town, Dubrovnik, Croatia.
Apia, Samoa.,A close up of lily pads in Apia, Samoa.
Costa Rica.,Portrait of a Noble's dirt frog, Craugastor noblei.
Dean's Blue Hole, Long Island, Bahama Islands, A diver at Dean's Blue Hole, the deepest oceanic hole in the world.
Siquirres, Limon, Costa Rica.,The lemur tree frog, Agalychnis lemur, is a critically endangered frog.
Los Quetzale National Park, Puntarenas, Costa Rica.,A malachite or green spiny lizard, Sceloporus malachiticus, basking.
View from Snowdon, which is the highest mountain in Wales.
Limon, Costa Rica.,A dead leaf katydid, Orophus tesselatus, resting on a leaf at night.
Santa Elena Reserve, Puntarenas, Costa Rica.,A green violet-ear hummingbird, Colibri thalassinus, in flight.
Mykines, Faroe Islands, Denmark, A ferry approaches the cliffs of a scenic island.
Tarcoles River, Puntarenas, Costa Rica, An American crocodile, Crocodylus acutus, entering the water from sand bar.
Boquete, Chiriqui, Panama, A farmer holds a clump of soil teeming with earthworms.
Agra, India.,Cow dug is hand-molded into patties and sold as fuel in the Kachhpur.
Baltimore, Maryland, American LeMans Race car speeds down the city streets in Baltimore.
Cape May, New Jersey, USA.,A former World War II gun tower at Cape May, New Jersey.
San Simeon, California, Pacific Ocean surf pounding on a rocky California shore.
Osa Penninsula, Puntarenas, Costa Rica, A large group of plants blooming at the edge of a rain forest.
Hunter, New York, United States, Hip Hop artists The Roots perform at Camp Bisco in Hunter, New York.
Hornsund, Spitsbergen, Svalbard, Norway, A distant cruise ship in the Arctic Ocean.
Crater Mountain Wildlife Area, Eastern Highlands Province, Papua New Guinea.,A male Carola's parotia displays to a female at ...
Crater Mountain Wildlife Area, Eastern Highlands Province, Papua New Guinea.,A male Carola's parotia displays to a female at his display court.
The duomo precinct in Pisa with the leaning tower.
Cactus flowers in Paradise Valley.
Graubunden Canton, Chur, Switzerland, An old town city street in Chur, Switzerland.
Cahuita, Limon, Costa Rica, A groove-billed ani, Crotophaga sucirostris, feeding its chicks.
Dubrovnik, Croatia, The colonnade of Rector's Palace, at night in Old Town, Dubrovnik.
Luxor, Egypt, Africa.,A view of the temple complex at Karnak.
Statue of the Virgin Mary holding the crucified Jesus.
Cairo, Egypt, A woman belly dances in the Sheraton Cairo Hotel.
Vagaru Island, Shaviyani Atoll, Republic of the Maldives, A beach at the Viceroy Resort and Spa on Vagaru Island.
Mustang, Nepal, A scientist gently cleans a piece of altar found in a mortuary cave.
Mustang, Nepal.,Climbers and scientists cross a bridge over the Kali Gandaki River.
Fairbanks, Alaska, Ice on an Alaskan lake captures methane that has bubbled from the bottom mud.
A church bell tower is lit by light from a nearby town at night.
Gorgona, Panama.,Footprints on the beach at sunrise.
Santa Elena Reserve, Puntarenas, Costa Rica, An unidentified caterpillar sports spikes for protection.
Amsterdam, The Netherlands.,Long exposure from the backseat of a taxi cab driving at night.
Taos, New Mexico, USA.,Along Paseo del Pueblo Norte in Taos, New Mexico.
Cahuita, Limon, Costa Rica.,A boat-billed heron, Cochlearius cochlearius, perched in a mangrove tree.
San Simeon, California, A male northern elephant seal, Mirounga angustirostris, bellowing.
San Simeon, California, A young northern elephant seal sleeping on a beach.
King Penguins walk around Fortuna Bay.
Cheaspeake and Ohio National Historical Park, Potomac, Maryland, A caterpillar feeds on a yellow flower.
Santa Elena Reserve, Puntarenas, Costa Rica, A yellow and red stick insect, Phasmodea species, crawling on leaves.
Hudson Bay, Manitoba, Canada.,A wild Beluga whale or sea canary, Delphinapterus leucas.
Essaouira, Morocco, Birds fly over the traditional blue boats of Essaouira Harbor.
Washington, District of Columbia, The East side of the US Capitol building and the Statue of Freedom.
A close view of yellow flowers.
A hawk rears its wings in front of a cloudy sky.
A European wolf walks in snow.
Vagaru Island, Shaviyani Atoll, Republic of the Maldives, The infinity pool at the Viceroy Resort on Vagaru Island.
Alaska, Close up portrait of a bald eagle, Haliaeetus leucocephalus.
Aragon, Spain, A portrait of two Little owls, Athene noctua.
A portrait of an arctic fox.
Galapagos National Park, Galapagos Islands, Ecuador.,A Galapagos flycatcher perches in a tree, Galapagos National Park.
San Blas Islands, Panama, A forest of palm trees grows on the San Blas Islands.
Tinganes District, Torshavn, Faroe Islands, Denmark, Colorful boats in a row in an Atlantic harbor.
Balboa, Panama, An aerial view of the Port of Balboa, on Panama's west coast.
New York City, New York, United States, Cocktail tables at the World Bar in midtown at the Trump World Tower.
Yellowstone National Park, Wyoming.,Portrait of a red fox kit, Vulpes vulpes.
Taos, New Mexico, USA.,St. Francis de Assisi Church in Ranchos de Taos, just south of Taos.
San Simeon, California, Two male northern elephant seals bellowing in a rookery.
Close up of a red ant on a white surface.
Uvita, Puntarenas, Costa Rica, A scenic photograph of mountains and clouds above Uvita, Costa Rica.
, Tari Pass, Southern Highlands Province, Papua New Guinea.
Maui, Hawaiian Islands, Frangipani flower leis for sale on the side of a road.
Mostar, Bosnia, Cobblestone road leading to the Stari Most, Old Bridge.
A bohemian waxwing perches on a branch where it has eaten fruit.
View of snow covered mountains from the Chopok ski resort in Slovakia.
Mantua, Lombardy, Italy, The facade of the Palazzo Ducale in Mantua.
Cahuita, Limon, Costa Rica.,A male red-legged honeycreeper has combated its own reflection in a window.
Six corgi pups sit and pose in a window box.
Bahama Islands, Snorkeling in Bahamas.
Byrd Park, Richmond, Virginia, Barack Obama at his presidential campaign rally at the VCU Siegel Center.
A flock of geese congregate near a pond.
Alaska, A herd of migrating caribou, Rangifer tarandus.
Glacier National Park, Montana.,Mount Oberlin rises above fog in the valley below.
The top part of a mosque in Iran.
Cook Strait, New Zealand, Tourists on the Interislander ferry cross the Cook Strait to Wellington on the North Island.
Santa Maria Maddalena, Rome, Lazio, Italy.,Tourists admire the sculpture in Santa Maria Maddalena in Rome.
Graubunden Canton, Bonaduz, Switzerland, A red Swiss train enters a station.
National Zoological Park, Washington, District of Columbia, A Dama gazelle, Gazella dama, sprinting in its enclosure.
Cahuita, Limon, Costa Rica, A green heron, Butorides virescens, in a mangrove swamp, hunting prey.
A close view of a male Mantis religiosa, or European mantis.
Gulfport, Mississippi, Gulf of Mexico agitated with waves as Hurricane Isaac's storm surge comes ashore.
Rockville, Montgomery County, Maryland, USA.,A child reaches for melon in an elementary school cafeteria.
Gentoo penguin chicks beg for food from their mother.
Interstate I-10, Pensacola, Florida, Utility workers head to the Gulf Coast, ground zero of Hurricane Isaac, to repair destru...
Interstate I-10, Pensacola, Florida, Utility workers head to the Gulf Coast, ground zero of Hurricane Isaac, to repair destruction.
Isola Bella, Borromean Islands, Lake Maggiore, Lombardy, Italy.,The Palazzo Borromeo gardens overlooking Lago Maggiore.
San Ignacio Lagoon, Baja, Mexico.,Two gray whales, Eschrichtius robustus, rolling in the water, mating.
Siem Reap, Cambodia.,Vendors sell seafood and vegetables in an indoor market in Siem Reap.
Luxor, Egypt.,An Egyptian man sits under a tree near the Luxor temples.
The statue of Abraham Lincoln at the Lincoln Memorial.
Rome, Lazio, Italy.,A selection of pasta and dried tomatoes.
District of Columbia, USA, A cat stares up from the grass.
Kinner Kailash Range during sunset.
Detail of the center of a water lily.
Cairo, Egypt.,The Pyramids of Giza.
Huon Peninsula, Papua New Guinea, A male emperor bird of paradise hangs upside down and spreads his plumes to show females wa...
Huon Peninsula, Papua New Guinea, A male emperor bird of paradise hangs upside down and spreads his plumes to show females watching from above.
Havana, Cuba.,The Cuban National Ballet performs Swan Lake.
Washington, District of Columbia, USA.,The newly refurbished Hill Center on Capital Hill in Washington, D.C.
National Zoological Park, Washington, District of Columbia, African cheetah cubs, Acinonyx jubatus, play-fighting.
Space, Maneuvering with a handheld gas gun, Edward H. White II becomes the first American to perform a space walk.
Milkweed pods release their seeds to an autumn wind.
A purple flower in the Edinburgh Royal Botanical Gardens.
Brookside Gardens, Wheaton, Maryland, A bumblebee flying from a flower after collecting pollen.
Siquirres, Limon, Costa Rica.,A ferocious bullet ant, Paraponera clavata, crawling on a leaf.
Whirinaki Forest Park, New Zealand.,A waterfall in Urewera National Park in Whirinaki Forest Park.
Panama City, Panama.,Sun and clouds reflect on muddy ground.
A red-tailed hawk perched on a tree stump.
Nimbokrang, Papua, Indonesia.,A female pale billed sicklebill foraging.
Devil's Lake State Park, Baraboo, Wisconsin, United States.,A young girl pauses while eating a sandwich at a picnic.
A brown horse stands in a snowy field.
A bee on a flower, showing the heart shaped marking on its back.
Dawn on the water with three of Inle Lake's many leg rowing fishermen.
Cienfuegos, Cuba, A view of the Tomas Terry Theater in Cienfuegos historical district.
Havana, Cuba.,Buildings in Old Havana.
Exterior of an abandoned barn in the desert.
Panama Canal, Panama City, Panama, Hundreds of shipping containers stacked on a Panamax super ship in the Panama Canal.
Foja Mountains, Papua, Indonesia, A male black sicklebill bird of paradise at his display perch in mid-display with plumes ra...
Foja Mountains, Papua, Indonesia, A male black sicklebill bird of paradise at his display perch in mid-display with plumes raised over his head.
San Pietro in Vincoli, Rome, Lazio, Italy.,The tomb of Mariano Pietro Vecchiarelli in San Pietro in Vincoli.
Cattle grazing under a tree in bloom on the shores of Lake Thun.
Polar bears romp in the 'polar bear capital of the world'.
Pennsylvania Station, Baltimore, Maryland, United States.,A passenger waits for a train inside Baltimore's Pennsylvania Stati...
Pennsylvania Station, Baltimore, Maryland, United States.,A passenger waits for a train inside Baltimore's Pennsylvania Station.
Manzanillo, Limon, Costa Rica.,A red-webbed tree frog, Hipsiboas rufitelus, in night coloration.
Osa Peninsula, Costa Rica.,Portrait of a fishing spider hunting on a leaf.
Providenciales Island, Turks and Caicos Islands, A lone boat anchored in turquoise waters offshore.
Venice, Italy.,Boats moored on the Grand Canal.
Malecon, Havana, Cuba.,A classic ballerina from the Cuba National Ballet at the Malecon.
Okauchee Lake, Wisconsin, United States.,A father and son float on rubber tube on a Wisconsin lake.
Pedro Gonzalez Isla, Pearl Islands, Panama, Fishing boats are moored side by side in the green Pacific waters.
San Blas Islands, Panama, An albino Kuna woman with skin cancer cradles her young son.
Tamarindo, Guanacaste, Costa Rica, Surfing at Playa Grande, within Las Baulas National Park.
MukTuk Kennels, Whitehorse, Yukon Territory, Canada, Sled dogs waiting at their kennels for their next sled pull.
Siquirres, Limon, Costa Rica.,A forest frog Lithobates warszewitschii blends in with the forest floor.
Halmahera Island, Moluccas Islands, Indonesia, A male Wallace's standardwing bird of paradise performs aerial display.
Andros Island, Out Islands, Bahama Islands, The Tongue of the Ocean off the Andros Barrier Reef.
Surf crashes on coastal rocks in the morning.
Ruatahuna, New Zealand.,Early morning mist rolls through the Ruatahuna valley in New Zealand.
Yukon River, Whitehorse, Yukon Territory, Canada, The S.S. Klondike dry-docked for the winter on the banks of the Yukon River...
Yukon River, Whitehorse, Yukon Territory, Canada, The S.S. Klondike dry-docked for the winter on the banks of the Yukon River.
Andros Island, Out Islands, Bahama Islands, A diver explores the Ocean Blue Hole, an underwater cave system.
Sognefjellsveien Road, Norway, A picturesque village in a mountain valley in south-central Norway.
Near Najaf, Iraq, A highway roadside stand displays pictures of Mohammed Bakrel Hakim.
Frederick Sound, Alaska, United States, Mist and water at sunrise in Frederick Sound.
Baja California, Mexico, Long beaked common dolphin, Delphinus capensis, in the Sea of Cortez.
Wasilla, Alaska, Portrait of a 17-month-old girl sitting on carpeted stairs.
Hol Chan Marine Reserve, Belize, Snorkeling in Hol Chan Marine Reserve.
Kilimanjaro, Serengeti National Park, Tanzania.,A couple of Thomson's gazelles roam the Serengeti's vast plain.
India, Brightly colored clothing hangs on a line outside a building.
A golden orb spider in its web.
Kufa, Iraq, A fishermen in a canoe pulls on his net in the Euphrates River.
Wokam Island, Aru Islands, Maluku Province, Indonesia.,An expert tree climber constructs a traditional Aru Islands bird hunti...
Wokam Island, Aru Islands, Maluku Province, Indonesia.,An expert tree climber constructs a traditional Aru Islands bird hunting blind high in a tree.
Alaska, A small group of caribou, Rangifer tarandus, in snowy scrub.
Mantua, Lombardy, Italy, The Basilica di Sant' Andrea in Mantua.
Kufa, Iraq, Shiites near a mosque, hold Muqtada al Sadr political posters.
Arlington, Virginia, Pierre Charles L'Enfant Tomb in front of Arlington House.
Tari Valley, Southern Highlands Province, Papua New Guinea.,A male superb bird of paradise calling from display log.
Washington, District of Columbia, United States, Springtime view of the Washington Monument.
A red-tailed hawk dives for prey.
Limon, Costa Rica.,A wandering spider, Cupiennius getazi, with hourglass tree frog, Hyla ebrecattus, prey.
Washington, District of Columbia, The Washington Monument in the early morning fog.
Najaf, Iraq, Shiite women read the Quran outside of the Imam Ali Mosque in Najaf.
Cozumel, Mexico, An energetic dancer twirling her red skirt.
Barren mountains are illuminated by fading light at dusk.
Venice, Italy.,A view through an arch of people sitting on a ledge near stairs.
San Ignacio Lagoon, Baja, Mexico.,An ecotourist reaching out to touch a gray whale, Eschrichtius robustus.
Kristianstad, Sweden, Kristianstad digests organic matter into biogas.
Venice, italy.,Laundry hanging on a clothesline to dry in the air
New Bight, Cat Island, Out Islands, Bahama Islands, A PA18 Super Cub floatplane exploring Cat Island.
A female leopard scratches her head on a tree.
Conception Island, Out Islands, Bahama Islands, A PA18 Super Cub floatplane explores the beaches of Conception Island.
Dobu Island, Milne Bay Province, Papua New Guinea.,A curl crested manucode feeds chicks at nest.
Calle Macedonia Alcala, Oaxaca, Oaxaca State, Mexico,A skeleton dressed up in feathers celebrates the Day of the Dead.
Mount Hood reflected in the calm waters of Trillium Lake.
Graubunden Canton, Chur, Switzerland, Mountain bikers exit the gondola at the mountain top.
San Simeon, California, Portrait of a male northern elephant seal, Mirounga angustirostris.
Vagaru Island, Shaviyani Atoll, Republic of the Maldives, A therapists walks by the spa at the Viceroy Resort on Vagaru Islan...
Vagaru Island, Shaviyani Atoll, Republic of the Maldives, A therapists walks by the spa at the Viceroy Resort on Vagaru Island.
Residential entrances line a blind alley in Budapest, Hungary.
Massachusetts, USA, A close up of a honey-colored leaf.
Amsterdam, North Holland, Netherlands, A woman with a baby stroller feeds the birds in an Amsterdam canal.
Vagaru Island, Shaviyani Atoll, Republic of the Maldives, A dhon, a traditional boat, on a sunset cruise in the Maldives.
San Simeon, California, A young male elephant seal moves into a small group of pups.
St Petersburg, Baltic Sea, Russia.,Portrait of girl serving at classic Russian lunch restaurant.
A ruby-throated hummingbird in mid-flight.
Budapest, Hungary.,Hungarians relax in the healing waters of the Szechenyi baths in Budapest.
A peak called 'The Bear' rises over Black Lake in Montenegro.
El Valle de Anton, Panama.,A San Jose Cochran frog (Cochranella euknemos) perches on a leaf.
St Petersburg, Baltic Sea, Russia.,Models backstage during fashion week in Russia.
Small Hope Bay, Andros Island, Out Islands, Bahama Islands, Cabins at Small Hope Bay Lodge on Andros Island in the Bahamas.
Providenciales Island, Turks and Caicos Islands, A woman on a body board waiting for the next good wave.
A single dandelion seed head on a brown background.
Florida Keys, Florida, Aerial view of small islands in the Florida Keys.
Casa Cayo Hueso, Key West, Florida, Sign at the Southernmost House in the United States of America.
New Berlin, Wisconsin, United States, A young boy holds his baby brother as they pose for a portrait.
Palazzo Altemps, National Museum of Rome, Rome, Lazio, Italy, Portrait busts on display at the Palazzo Altemps in Rome.
A butterfly with translucent wings perches on a flower.
A helicopter releases fire-suppressant chemicals on a forest fire.