Related: Denali National Park Celebrates 100 Years The Sheldon Chalet is perched on a “nunatak” (an exposed hill surrounded by glacier) bordering Alaska’s Denali National Park, at 6,000 feet ...

This is a video taken from helicopter in nunatak surrounded by Sermilik Glacier in Southwest Greenland. The movie was taken during field research in the summer of 2008 and 2009. New research shows ...

Geologist James Smith (with the British Antarctic Survey) sampling an erratic boulder on Maish Nunatak. This image ... "Rapid Thinning of Pine Island Glacier in the Early Holocene." ...