Bing Wallpapers (2/28/2015)

Polar bear on a barrier island in the Beaufort Sea, Arctic National Wildlife Refuge, Alaska

© Patrick Endres/plainpicture

The Redwood National and State Parks of California

© David Fortney/Corbis Motion

American Falls as seen from Niagara Falls, Ontario, Canada, February 19, 2015
© ZUMA/REX

Holuhraun volcanic eruption, Iceland

© Johnathan Ampersand Esper/Aurora Photos

Bethesda Terrace’s lower passage in Central Park, New York City

© Sean Pavone/Shutterstock

Fort Bourtange, Netherlands

© Amos Chapple/Rex Features

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