Northern gannets on the Saltee Islands, Ireland (© Bart Breet/Minden Pictures)(Bing United States)

Afon Ogwen, a river in Snowdonia National Park, Wales (© Graham Eaton/Minden Pictures)(Bing United States)

Moscow International Business Center, Russia (© Nikolay Rykov/Getty Images)(Bing United States)

A flock of sheep grazing in Tuscany, Italy (© 500px/Aurora Photos)(Bing United States)

Workers applying stucco to a wall of a new building (© Ognian Medarov/500px)(Bing United States)

Waterfalls in Phnom Kulen National Park, Cambodia (© f9photos/Shutterstock)(Bing United States)

Coastal Spain seen from the International Space Station (© Scott Kelly/NASA/Alamy)(Bing United States)

Stockholm Public Library, Sweden (© Gallery Stock)(Bing United States)

Scots pine trees on Sula Island, Sogn og Fjordane, Norway (© Orsolya Haarberg/Minden Pictures)(Bing United States)

A puma in Torres del Paine National Park, Chile (© Benjamin Lowy/Getty Images)(Bing United States)

‘Postcards’–The Staten Island September 11 Memorial, New York (© Gozooma/Gallery Stock)(Bing United States)

A school of razorfish swims for cover among the branches of a red sea whip, Kimbe Bay, New Britain Island, Papua New Guinea (© David Doubilet/Getty Images)(Bing United States)

Roussanou and other monasteries in Metéora, Greece (© Stian Rekdal/Nimia)(Bing United States)

Columnar basalt stone in the Umpqua National Forest, Oregon (© Jaynes Gallery/Danita Delimont)(Bing United States)

Fog over Sofia, Bulgaria (© Ivan Dimitrov/Solent News/REX/Shutterstock)(Bing United States)

Interior ceiling view of Webb Chapel Park Pavilion, Dallas, Texas (© ARCHPHOTO/Gallery Stock)(Bing United States)

Amusement ride at Oktoberfest in Munich, Germany (© Wolfilser/Shutterstock)(Bing United States)

Blue Hen Falls, Cuyahoga Valley National Park, Ohio (© Patrick Jennings/Shutterstock)(Bing United States)

Red-lored amazons in Ecuador (© Pete Oxford/Minden Pictures)(Bing United States)

Ladakh, India (© Nutthavood Punpeng/500px)(Bing United States)

Castelmezzano, Italy (© Federico Ravassard/500px)(Bing United States)

Autumn colors in Cheshire, England (© 2015 Light and Time Productions/Nimia)(Bing United States)

Volcanic slopes in Pinnacles National Park, California (© Don Smith/Getty Images)(Bing United States)

European hares (© Jackie Bale/Getty Images)(Bing United States)

Wicker fields in the province of Cuenca, Spain (© David Santiago Garcia/Aurora Photos)(Bing United States)

Harpa Concert Hall in Reykjavík, Iceland (© Juan Carlos Muñoz/age fotostock)(Bing United States)

Island in Fenton Lake, Lake Superior Provincial Park, Ontario, Canada (© Mike Grandmaison/Getty Images)(Bing United States)

Island in Fenton Lake, Lake Superior Provincial Park, Ontario, Canada (© Mike Grandmaison/Getty Images)(Bing United States)

Clouds over Mont Ventoux, France (© Drone Under/Nimia)(Bing United States)

Whooper swans on Lake Kussharo, Hokkaido, Japan (© Ocean/Corbis)(Bing United States)