These true-color images show wide-area and close-up views of glaciers flowing into a largely dry, linear valley in western Greenland on August 29, 2009.
The icefields of Patagonia, located at the southern end of South America, are the largest masses of ice in the temperate Southern Hemisphere (approximately 55,000 square kilometers).
Home to Taylor Glacier, striking rock outcrops, and Blood Falls, this dry valley in Antarctica is one of the most remote and geologically exotic places on the planet.
Currently 30.2 km long and between 0.5 and 2.5 km wide, Gangotri glacier is one of the largest in the Himalaya. Gangotri has been receding since 1780, although studies show its retreat quickened after 1971.