Library of Parliament in Ottawa, Ontario, Canada (© Ron Watts/Corbis) © (Bing United States)

Eastern grey kangaroo in Murramarang National Park, New South Wales, Australia (© Paul Souders/Corbis) © (Bing United States)

Storm clouds over the mountains of Denali National Park and Preserve, Alaska (© Ron Niebrugge/CorbisMotion) © (Bing United States)

Manhattan Bridge and the Empire State Building illuminated with red, white, and blue lights in New York City, New York (© age fotostock/SuperStock) © (Bing United States)

Camel caravan through the Sahara Desert near Djanet, Algeria (© Frans Lemmens/SuperStock) © (Bing United States)

Bonfire in Iffeldorf, Bavaria, Germany (© Konrad Wothe/Getty images) © (Bing United States)

Yo-yo tsuri water balloons in the pool at a neighborhood festival in Japan (© Hiroyuki Uchiyama/Getty Images) © (Bing United States)

Mustard rows during springtime in a vineyard of the Carneros wine region, California (© Nicholas Pavloff/Lonely Planet Images) © (Bing United States)

Black-browed albatross family on Steeple Jason Island, Falkland Islands (Islas Malvinas) (© Steve Bloom Images/Alamy) © (Bing United States)

Wind turbines near Livermore, California (© SIME/eStock Photo) © (Bing United States)

The Athabasca River below the Athabasca Falls in Jasper National Park, Alberta (© Ken Gillespie/Corbis) © (Bing United States)

Students with white hats and red noisemakers at a baseball game in Osaka, Japan (© Arthur Meyerson/Aurora Photos) © (Bing United States)

Forsyth Park Fountain in Savannah, Georgia (© Russell Kord/Aurora Photos) © (Bing United States)

Aerial view of Old Town (Stare Miasto) in Gdańsk, Poland (© Filip Warulik/Alamy) © (Bing United States)

The crypt at Winchester Cathedral, Hampshire, England (© Peter Lewis/Getty Images) © (Bing United States)

The snow-capped La Sal Mountains behind sandstone pinnacles at Devils Garden in Arches National Park, Utah (© Christian Kober/Aurora Photos) © (Bing United States)

Whitemargin unicornfish (© Chris Hellier/Corbis) © (Bing United States)

Still image of time-lapsed night sky and lights in Monument Valley Navajo Tribal Park, Utah (© Duncan Frazier/Getty Images) © (Bing United States)

Partial eclipse of the moon setting over the Gulf of Mexico (© David Nunuk/Corbis) © (Bing United States)

Umbrellas on a sunny beach in Southern Thailand (© Ocean/Corbis) © (Bing United States)

Overflow from Lower Nihotupu Reservoir near Auckland, New Zealand (© Robin Bush/Getty Images) © (Bing United States)

Elephant trails bisect the green grasses of Amboseli National Park, Kenya (© George Steinmetz/Corbis) © (Bing United States)

Sea otter grooming in Prince William Sound, Alaska (© Donald M. Jones/Minden Pictures/Corbis) © (Bing United States)

Field of sunflowers in Castile and León, Spain (© Jesus Gonzalez/Getty Images) © (Bing United States)

Rustic Black River covered bridge near South Haven, Michigan (© Tara Vorhes/Getty Images) © (Bing United States)

Olympic Park Stadium, ArcelorMittal Orbit Tower, and Aquatics Centre in London, England (© Charles Bowman/eStock Photo) © (Bing United States)

Targets during archery training for the Beijing 2008 Olympics at Olympic Green Archery Field in Beijing, China (© Michael Steele/Getty Images) © (Bing United States)

Pied avocets in Texel, Netherlands (© Winfried Wisniewski/Corbis) © (Bing United States)

Matthew Mitcham on the diving platform at the Aquatics Centre in the Olympic Park in Stratford, London, England (© ANDY RAIN/epa/Corbis) © (Bing United States)

Rafting at the Lee Valley White Water Centre in Hertfordshire, England (© Richard Allen/Alamy) © (Bing United States)