Snow gums in Kosciuszko National Park, Thredbo, New South Wales (© Ignacio Palacios/Lonely Planet Images/Getty Images)(Bing Australia)
Microphotograph of giant salvinia, a water fern (© Martin Oeggerli/Visuals Unlimited, Inc.)(Bing Australia)
Saint Beatus Caves near the village of Beatenberg, Switzerland (© Getty Images)(Bing Australia)
Stuttgart City Library, Mailänder Platz in Stuttgart, Germany (© Guillaume Rio/500px)(Bing Australia)
Saint Patrick’s Well, Orvieto, Italy (© José Antonio Moreno/age fotostock)(Bing Australia)
North American beaver in Denali National Park, Alaska (© Eastcott Momatiuk/Masterfile)(Bing Australia)
Spinifex pigeons at Purnululu National Park, Western Australia (© Auscape/Universal Images Group/Getty Images)(Bing Australia)
Three Sisters Springs, Manatee Sanctuary, Florida (© Mammoth HD)(Bing Australia)
Mountain lion cubs near Bozeman, Montana (© Don Johnston/age fotostock)(Bing Australia)
Day gecko on pandanus fruit, Captain Cook, Hawaii (© Mark A. Johnson/Corbis)(Bing Australia)
Bourke’s Luck Potholes in Blyde River Canyon, South-Africa (© Topic Photo Agency/Corbis)(Bing Australia)
The Grand Palace, Bangkok, Thailand (© Amarate Tansawet Gift of Light/Getty Images)(Bing Australia)
Reef near Baulhagallaa Island, Gaafu Dhaalu Atoll, Maldives (© Stuart Westmorland/Corbis)(Bing Australia)
Guilin and Lijiang River National Park, China (© AirPano Ltd)(Bing Australia)
Sunrise over Remarkable Rocks at Kangaroo Island, South Australia (© Ingo Oeland/Alamy)(Bing Australia)
Sunrise at Lake Kawaguchi seen from Mount Fuji, Japan (© Filip Fuxa/Alamy)(Bing Australia)
Under the Intracoastal Waterway Bridge in Jacksonville, Florida (© Greg DiFranza/500px)(Bing Australia)
Second Beach, near Olympic National Park and La Push, Washington (© Ian Shive/Tandem)(Bing Australia)
Duckling (© Life on White/Purestock/SuperStock)(Bing Australia)
Leonard P. Zakim Bunker Hill Bridge, Boston, Massachusetts (© Rick Friedman/Corbis)(Bing Australia)
The Living Roof, California Academy of Sciences, Golden Gate Park, San Francisco, California (© Tim Griffith/Corbis)(Bing Australia)
Pygmy seahorse on a branch of coral at the Great Barrier Reef (© imagebroker/Alamy)(Bing Australia)
Polar bears, Arctic National Wildlife Refuge, Alaska (© Steven Kazlowski/SuperStock)(Bing Australia)
Oak trees in Palo Corona Regional Park, Carmel Valley, California (© Doug Steakley/Getty Images)(Bing Australia)
Fluorescing coral off the coast of Palau (© Norbert Wu/Corbis)(Bing Australia)
Portland skyline and Willamette River, Oregon (© Ben Coffman Photography/Tandem Stock)(Bing Australia)
Common iguana in the Florida Keys (© Roman Mordashev/500px)(Bing Australia)
Mingun Pahtodawgyi ruins, Mingun, Myanmar (© David Santiago Garcia/Aurora Photos)(Bing Australia)
Aerial view at night, Chicago, Illinois (© Jim Richardson/Getty Images)(Bing Australia)
American Lakes area of State Forest State Park in Colorado (© Gallery Stock)(Bing Australia)