“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.
Network: National Geographic
Seasons
1
Episodes
3
Status
Ended
Alex Honnold
Self
Hazel Findlay
Self
Mikey Schaefer
Self
Aldo Kane
Self
Sanni McCandless
Self
2009