
"4,000 feet of impossible."
Alex Honnold leads an expedition to Greenland to climb a huge 4,000 foot sea cliff and investigate the impacts climate change on the region.

S1 E3 • 2/4/2024
Alex and the team reach the final phase of their epic expedition. A 4000 foot unclimbed sea wall, and one of the most important glaciers in Greenland.
Featured Cast