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

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

Ocean waves near Ventura, California (© David Pu’u/Corbis) © (Bing Australia)

Camel caravan through the Sahara Desert near Djanet, Algeria (© Frans Lemmens/Super Stock) © (Bing Australia)

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

Yoyo tsuri water balloons in the pool at a neighborhood festival in Japan (© Hiroyuki Uchiyama/Getty Images) © (Bing Australia)

Rider on a theme-park water slide (© Peter Essick/Aurora Photos) © (Bing Australia)

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

Wind turbines near Livermore, California, USA (© SIME/eStock Photo) © (Bing Australia)

Broken Hill sunset, New South Wales, Australia (© Photolibrary/Corbis) © (Bing Australia)

Alaskan brown bears wait for salmon at Brooks Falls in Katmai National Park and Preserve, Alaska, USA (© Tony Campbell/Pond 5) © (Bing Australia)

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

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

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

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

Whitemargin unicornfish (© Chris Hellier/Corbis) © (Bing Australia)

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

Partial eclipse of the moon setting over the Gulf of Mexico, USA (© David Nunuk/Corbis) © (Bing Australia)

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

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

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

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

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

Herd of horses (© Felipe Rodríguez/age fotostock) © (Bing Australia)

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

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

Matthew Mitcham on the diving platform at Aquatic Centre at the London 2012 Olympic Park in Stratford, London, England (© ANDY RAIN/epa/Corbis) © (Bing Australia)

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

Targets during archery training for the Beijing 2008 Olympics at Olympic Green Archery Field on August 6, 2008 in Beijing, China. (© Michael Steele/Getty Images) © (Bing Australia)