A season on the Northern Forest Canoe Trail—stretching from the Adirondacks to northern Maine—reveals fresh possibilities for ...

This story is part of a special National Geographic News series on global ... double-channeled brick sewer until it reaches the Harlem River Ship Canal, which was dug in the 1890s, shaping the ...

Unseen mountains, valleys, lakes, and rivers lie under Antarctica’s mile-thick ice sheet. Changes to those hidden rivers ...

This story appears in the May 2015 issue of National Geographic magazine ... it will be the eighth dam on the Lancang River—China's name for its 1,300-mile stretch of the Mekong.

The valley of the Alatna River, which flows south out ... enough to capture that kind of rapid landscape change. But at National Geographic’s request, Katey Walter Anthony and Charles Koven ...