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Top Picks for 2015

Lake Chad and Saharan Dust Plume

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Desert meets woodland in Africa, punctuated by an ancient lake. Read more...

Hawaiian Volcanoes, Vogs, and Vortices

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Vog haze is transported hundreds of kilometers downwind of the Big Island of Hawaii, forming subtle but distinct alternating swirls. Read more...

Sierra Nevada de Santa Marta, Northern Colombia

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In Colombia, high mountains show a rare sight in the tropics: snow and ice. Read more...

Scandinavia at Night

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City lights trace the coastlines, while moonlight illuminates the snow and clouds. Read more...

Good Air and Brown Water, Argentina

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Buenos Aires, the largest city in Argentina, sits near the outflow of the second largest river in South America. Read more...

Rivers and Snow in the Himalayas, China and India

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Long shadows and deep gullies make for a majestic landscape. Read more...

Adele Island, northwest Australia

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The most interesting geology lies just offshore and below the water line of this Northwest Australian island. Read more...

Salt Ponds, western Australia

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This stretch of Australian coast is noted for its tropical climate and its remoteness. Read more...

Shaping Cape Cod, Massachusetts

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Winds and wave refraction give the area around Provincetown a distinctive hook shape. Read more...

The Port of Sfax, Tunisia

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Tunisia’s “second city” is home to a large fishing fleet and a vast coastal redevelopment project. Read more...

Flooding on the Mekong River floodplain, Thailand and Laos

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Monsoon rains drowned the landscape in Laos and Thailand. Read more...

Red Sprites, northwest Mexico

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Within three minutes, astronauts acquired two photographs of elusive red sprite emissions above thunderstorms. Read more....

Aquaculture, northeast China

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Fish farms have been constructed at many points along the coastline of Liaoning Province, but this group of basins facing the Yellow Sea is the largest. Read more...

India-Pakistan Border at Night

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This photograph shows one of the few places on Earth where an international boundary can be seen at night. Read more...

Laguna Colorada, Bolivia

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The salty and brightly colored lake in the Bolivian Andes is an important wetland. Read more...