Crowd watching Birdsville Cup horse race, Birdsville, Queensland, Australia -- Andrew Watson / Axiom © (Bing Australia)

Neolithic rock paintings, Ennedi Plateau, Chad, Africa -- George Steinmetz/Corbis © (Bing Australia)

Group of Walruses -- Joel Sartore/Photolibrary © (Bing Australia)

Webb Bridge, Melbourne, Australia -- Doug Byrnes/Corbis © (Bing Australia)

The village of Perast and the Bay of Kotor in Montenegro -- Andy Kerry / Axiom © (Bing Australia)

Ground Pangolin in Kalahari-Gemsbok National Park, South Africa -- age fotostock/Photolibrary © (Bing Australia)

Yellow Tulips at the Canberra Floriade - Annual Flower Festival Canberra, Australia -- Travel Ink/age fotostock © (Bing Australia)

Icefields Parkway Drive and the Athabasca Glacier in the Canadian Rockies, Alberta, Canada -- Steve Vidler/Photolibrary © (Bing Australia)

Aerial image of crop circles, Wiltshire, England, United Kingdom -- Last Refuge/Getty Images © (Bing Australia)

Violet Sabrewing Hummingbird, Monteverde, Costa Rica -- Paul Souders/Corbis © (Bing Australia)

“Gates of Hell” burning fire pit near the village of Darvaza, in the Karakorum Desert, Turkmenistan -- Image Source/Superstock © (Bing Australia)

Vineyards at the back of Rowland Flat, Barossa Valley, South Australia, Australia -- Milton Wordley/Photolibrary © (Bing Australia)

Spanish Shawl Nudibranch (sea slug) in a kelp forest off the coast of Santa Catalina Island, California -- Mirlo Zanni/Photolibrary © (Bing Australia)

Mammoth Hot Springs, Yellowstone National Park, Wyoming -- Kevin Mullins © (Bing Australia)

Vineyards and windy roads in the Kaiserstuhl region of Germany -- Andreas Wonisch/Getty Images © (Bing Australia)

Town of Ilulissat, Disko Bay, Greenland -- Frank Krahmer/Masterfile © (Bing Australia)

Polar bears near Churchill, Manitoba, Canada -- Ward Kennan/Photolibrary © (Bing Australia)

Hakka Tulou round earth buildings, Fujian Province, China -- Christian Kober/age fotostock © (Bing Australia)

The Flat Garden at the Portland Japanese Garden, Portland, Oregon -- Craig Tuttle/Corbis © (Bing Australia)

Coca Falls on Quijos River, Cayambe-Coca Reserve, Ecuador -- Kevin Schafer/CORBIS © (Bing Australia)

Supporters at AFL game, Melbourne Cricket Ground, Victoria, Australia -- Andrew Watson/Axiom © (Bing Australia)

The Church of the Good Shepherd on Lake Tekapo with Mount Cook National Park in the background on the South Island of New Zealand -- Frans Lemmens/Getty Images © (Bing Australia)

Scanning electron microscope image of Penicillium Notatum , the fungus that is the source of the antibiotic Penicillin -- Visuals Unlimited/Corbis © (Bing Australia)

Waterfall on the Arroyo del Salto River below Mount Fitzroy, Argentina -- Momatiuk - Eastcott/Corbis © (Bing Australia)

Thorny Seahorse against soft red coral in the waters off of Malaysia -- Douwma Georgette/Photolibrary © (Bing Australia)

Space walk outside of the International Space Station -- StockTrek/Superstock © (Bing Australia)