Saint Petersburg, Russia -- SIME/eStock Photo © (Bing Australia)

Musicians at a dance performance at the Thangbi Mani Festival in Bhutan -- Keren Su/Getty Images © (Bing Australia)

Canada Geese goslings -- ARCO/age fotostock © (Bing Australia)

Radio telescope dishes at the National Radio Astronomy Observatory in Socorro, New Mexico -- Visions LLC/Photolibrary © (Bing Australia)

Blue-ring topsnail -- Steven Trainoff Ph.D./Getty Images © (Bing Australia)

Neptune Fountain in Gdańsk, Poland -- Jon Arnold Images/Danita Delmont.com © (Bing Australia)

Field mustard field and Kinkei peak, Luoping, Yunnan province, China -- JTB Photo/Photolibrary © (Bing Australia)

Wild Mandarin Duck on dark green lake, UK -- David Slater/DanitaDelimont.com © (Bing Australia)

Cinnamon fern, detail of emerging fronds, Lively, Ontario, Canada – Don Johnston/age fotostock © (Bing Australia)

Churches of Botiza, Romania -- Peter Adams/Corbis © (Bing Australia)

Moai stone statues on the outer slope of Rano Raraku, a soft stone quarry on Easter Island -- James L. Amos/Corbis © (Bing Australia)

Metropolitan Museum of Art, New York City -- Hiroyuki Matsumoto/Getty Images © (Bing Australia)

Antarctic iceberg and cloud landscape reflecting in totally calm waters near Ross Island, Antarctica -- A Rose/age fotostock © (Bing Australia)

Roman coliseums at El Djem, Tunisia -- Rene Mattee/Photolibrary © (Bing Australia)

Spotted cuscus on a tree in Tufi, Oro Province, Papua New Guinea -- Michele Westmorland/Getty Images © (Bing Australia)

Sunset on Clare Island, Ireland -- Travelpix Ltd./Getty Images © (Bing Australia)

Meoto-Iwa (Wedded Rocks), two rocks considered to be male and female and joined in matrimony by sacred ropes, renewed in a special festival each year, Honshu, Japan -- Gavin Hellier/Corbis © (Bing Australia)

An alarmed impala herd alerts to danger in the Serengeti National Park, Tanzania -- Frans Lanting/Corbis © (Bing Australia)

The Michael Lee-Chin Crystal Building, Royal Ontario Museum, Toronto, Ontario -- Ken Straiton/Getty Images © (Bing Australia)

Globes suspended from conveyor track at factory -- Andy Sacks/Getty Images © (Bing Australia)

Green sea turtle hatchling in Surinam, South America -- Frans Lanting/Corbis © (Bing Australia)

The Mayan ruins of Tikal rise from the jungle in Guatemala -- Keren Su/Corbis © (Bing Australia)

Cassiopeia A, a supernova remnant located 10,000 light-years away in the constellation Cassiopeia -- NASA © (Bing Australia)

Chateau de Chenonceau on the River Cher in the Loire Valley, France -- Luca da Ros/Corbis © (Bing Australia)

Chinstrap Penguins on an iceberg in Antarctica -- Frans Lanting/Corbis © (Bing Australia)

Meerkat with pups in Keetmanshoop, Namibia -- Paul Souders/Corbis © (Bing Australia)

Wave Rock, Hyden, Western Australia -- Gerhard Zwerger-Schoner/Photolibrary © (Bing Australia)

Stand of Redwood trees in Redwood National Park, California -- Bob Stefko/Getty Images © (Bing Australia)

Spring wildflowers in Antelope Valley, California -- Ron and Patty Thomas/Getty Images © (Bing Australia)