Three National Geographic "Adventurers of the Year" embark on an insane kayaking mission in Greenland. Kite skiing, they tow their whitewater kayaks more than 1000 km over the Greenland Ice Cap to reach the northernmost river ever paddled.
1972
1990
1996
1991
2015
2007
1952
1932
2013
2003
2008
1994
2000
1983
1960
1975
2006
