These areas are known by different names throughout the world. They can look desolate, generally containing few or no trees, except in areas along rivers and streams. But they are vibrant ...

This story appears in the August 2010 issue of National Geographic magazine. Fewer than 200 were left in the north Indian state of Assam a century ago. Agriculture had taken over most of the ...

This story appears in the June 2013 issue of National Geographic magazine ... then the savanna and floodplain grasslands of the Great Rift Valley. Finally they run aground on the slopes of ...

The Thomson's gazelle can reach speeds of 40 miles an hour. Some gazelle species eschew the grasslands for mountainous landscapes or even deserts. During the dry season some grassland gazelles ...

The current 346 square miles of Petrified Forest open a window on an environment more than 200 million years old, one radically different from today's grassland. Where you now see ravens soaring ...