Zlatni Rat on Brač Island, Croatia (© mbbirdy/E+/Getty Images)(Bing United States)

[20170817] - 'Zlatni Rat on Brač Island, Croatia (© mbbirdy/E+/Getty Images)(Bing United States)'

Avalanche Creek in Glacier National Park, Montana (© Ian Shive/Tandem Stills + Motion)(Bing United States)

[20170816] - 'Avalanche Creek in Glacier National Park, Montana (© Ian Shive/Tandem Stills + Motion)(Bing United States)'

Quaking aspens in Gunnison National Forest, Colorado (© Tim Fitzharris/Minden Pictures)(Bing United States)

[20170815] - 'Quaking aspens in Gunnison National Forest, Colorado (© Tim Fitzharris/Minden Pictures)(Bing United States)'

The Panagia Hozoviotissa Monastery on the island of Amorgos, Greece (© Lemonan/iStock/Getty Images)(Bing United States)

[20170814] - 'The Panagia Hozoviotissa Monastery on the island of Amorgos, Greece (© Lemonan/iStock/Getty Images)(Bing United States)'

Multiple-exposure image of the Kitesurf World Cup in Germany (© plainpicture/Rudi Sebastian)(Bing United States)

[20170813] - 'Multiple-exposure image of the Kitesurf World Cup in Germany (© plainpicture/Rudi Sebastian)(Bing United States)'

African bush elephants in Mana Pools National Park, Zimbabwe (© David Fettes/Offset)(Bing United States)

[20170812] - 'African bush elephants in Mana Pools National Park, Zimbabwe (© David Fettes/Offset)(Bing United States)'

Caverne du Pont d

[20170811] - 'Caverne du Pont d'Arc at Vallon-Pont-d'Arc, France (© Christian Handl/REX/Shutterstock)(Bing United States)'

Huacachina, Ica Region, Peru (© Matthew Williams-Ellis/Aurora Photos)(Bing United States)

[20170810] - 'Huacachina, Ica Region, Peru (© Matthew Williams-Ellis/Aurora Photos)(Bing United States)'

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