A river in Kakadu National Park, Australia (© Yann Arthus-Bertrand/Corbis)(Bing New Zealand)

Fog Lifting, Hopewell Rocks, Flowerpots, Sandstone, Hopewell, Bay of Fundy, New Brunswick (© All Canada Photos/Alamy)(Bing New Zealand)

Green heron in Washington Park Arboretum in Seattle, Washington (© Caren Brinkema/SuperStock)(Bing New Zealand)

Colorful homes line Nyhavn Canal in Copenhagen, Denmark (© Benjeev Rendhava/Getty Images)(Bing New Zealand)

Rapa River Valley in Sarek National Park, Norbotten County, Sweden (© Johan Assarsson/Getty Images)(Bing New Zealand)

Ceiling detail at the entrance to Kyoto Station, Kyoto, Japan (© Ocean/Corbis)(Bing New Zealand)

An aurora borealis shines over Laurentian Beach, on the eastern shore of Lake Manitoba (© Federico Buchbinder/Flickr/Getty Images)(Bing New Zealand)

Kelp at low tide, Bay of Fundy, Nova Scotia, Canada (© Michelle Valberg/Corbis)(Bing New Zealand)

Spring flowers in Alentejo, Portugal (© Luis Quinta/Minden Pictures)(Bing New Zealand)

Kona Coast, Big Island, Hawaii (© Bob Glusic/Wilderness Video)(Bing New Zealand)

Zhangye Danxia Landform in Gansu, China (© Melinda Chan/Flickr/Getty Images)(Bing New Zealand)

Mangrove seen from underwater, Aldabra, Seychelles (© Expeditieteam Aldabra/Foto Natura/Minden Pictures)(Bing New Zealand)

Sunset over the Garonne River in Toulouse, France (© Richard Fairless/Getty Images)(Bing New Zealand)

Schooling bigeye trevallies off the coast of Bali, Indonesia (© David Fleetham/Visuals Unlimited, Inc.)(Bing New Zealand)

Adult male mountain gorilla and juvenile in Volcanoes National Park, Rwanda (© Doug Steakley/Getty Images)(Bing New Zealand)

Lulworth Cove along Jurassic Coast, England (© SIME/eStock Photo)(Bing New Zealand)

Silky anteater near Penonomé in Coclé province, Republic of Panama (© Zizza Gordon/Alamy)(Bing New Zealand)

The Pinnacles, Nambung National Park, Australia (© Peter Adams/The Image Bank/Getty Images)(Bing New Zealand)

Beartown State Park in Monongahela National Forest, West Virginia (© Jerry Whaley/age fotostock)(Bing New Zealand)

Stained-glass ceiling of the Palau de la Musica Catalana, Barcelona, Spain (© Ocean/Corbis)(Bing New Zealand)

Bear Lakes Basin on the Sierra High Route, California (© Rachid Dahnoun/Aurora Photos)(Bing New Zealand)

Ruins in Safed, Israel (© Noam Armonn/Corbis)(Bing New Zealand)

Thunderstorm near Coffee Bay on the Wild Coast region of South Africa (© Jon Hicks/Corbis)(Bing New Zealand)

Day octopus (Octopus cyanea) in the water near Lanai, Hawaii (© David Fleetham/Visuals Unlimited, Inc.)(Bing New Zealand)

Haystack Rock, Cannon Beach, Oregon (© Clipcanvas)(Bing New Zealand)

Namgyal Tsemo Monastery, Leh Ladakh, India (© Kelly Cheng/Getty Images)(Bing New Zealand)

Northern gannet at Bonaventure Island and Percé Rock National Park, Quebec, Canada (© Arthur Morris/Corbis)(Bing New Zealand)

Cliff Palace in Mesa Verde National Park, Colorado (© George H.H. Huey/Alamy)(Bing New Zealand)

Bridge over a marshland near the Khongoryn Els Sand Dunes in the Gobi Desert, Mongolia (© Franck Guiziou/Hemis/Corbis)(Bing New Zealand)