Flowering canola field with flax in the background and a sky filled with cumulus clouds, Tiger Hills near Somerset, Manitoba (© Dave Reede/All Canada Photos/Corbis)(Bing New Zealand)

Hanoi, Vietnam (© David Santiago Garcia/Aurora Photo)(Bing New Zealand)

Visitors in Death Valley National Park, California (© David Hellard/Rex Features)(Bing New Zealand)

Rocky Mountain National Park, Colorado (© Dan Ballard/Corbis)(Bing New Zealand)

Leopard perched in a tree in the Moremi Game Reserve, Botswana (© Getty Images)(Bing New Zealand)

Meltwater creates waterfalls on an ice cap, Svalbard Archipelago, Norway (© Ralph Lee Hopkins/Corbis)(Bing New Zealand)

Valais blacknose sheep in Valais, Switzerland (© NaturePL/SuperStock)(Bing New Zealand)

Millau Viaduct over the Tarn River Valley near Millau, France (© Patrick Landmann/Science Photo Library)(Bing New Zealand)

Rio Tinto, Huelva, Spain (© David Santiago Garcia/Aurora Photos)(Bing New Zealand)

Canoe on Moraine Lake in Banff National Park, Alberta, Canada (© Getty Images)(Bing New Zealand)

Chipmunk eating red berries (© Takao Onozato/Aflo/Getty Images)(Bing New Zealand)

Mesa Arch, Canyonlands National Park, Utah (© Jeff Clay/Tandem Still + Motion)(Bing New Zealand)

Fort McHenry National Monument and Historic Shrine, Baltimore, Maryland (© Richard T. Nowitz/Corbis)(Bing New Zealand)

Mammoth Hot Springs, Yellowstone National Park, Wyoming (© Dmitrii Lezine)(Bing New Zealand)

Panda, Sichuan, China (© Steve Bloom Images/Alamy)(Bing New Zealand)

Alpine foothills surrounding the town of Weiz in Styria, Austria (© Andreas Neuburger/Getty Images)(Bing New Zealand)

A dredge boat near the Glénan Islands, France (© Andia/Latitude Stock)(Bing New Zealand)

Young guanaco seeking safety under its mother, Torres del Paine National Park, Chile (© Gavriel Jecan/Aurora Photos)(Bing New Zealand)

Macaws, Tambopata National Reserve, Peru (© Frans Lanting/Getty Images)(Bing New Zealand)

Aerial view of Rougier de Camarès, Aveyron, Midi-Pyrénées, France (© Eric Teissedre/Corbis)(Bing New Zealand)

Peace Camp at Downhill Beach in Northern Ireland (© Christopher Hill Photographic/Alamy)(Bing New Zealand)

Orcas in Resurrection Bay near Kenai Fjords National Park, Alaska (© Steven Kazlowski/SuperStock)(Bing New Zealand)

Abandoned army trucks on the North Canol Road, Yukon, Canada (© Robert Postma/Corbis)(Bing New Zealand)

Banana slug in Prairie Creek Redwoods State Park, California (© Michael Nichols/Getty Images)(Bing New Zealand)

Buttermere, Lake District National Park, England (© Chris Warren/SuperStock)(Bing New Zealand)

Elephants in the Okavango Delta, Botswana (© Michael Poliza/Getty Images)(Bing New Zealand)

Alaska Peninsula National Wildlife Refuge (© Steven Besserman/Corbis)(Bing New Zealand)

Boathouses on Lake Panache, Greater Sudbury, Ontario, Canada (© Don Johnston/Corbis)(Bing New Zealand)

Hohenzollern Castle near Stuttgart, Germany (© Heinz Wohner/Getty Images)(Bing New Zealand)

Sheep with a border collie in England (© Wayne Hutchinson/Minden Pictures)(Bing New Zealand)