Two brothers, Timmy O'Neill, a pro climber, and Sean O'Neill, who is paralyzed from the waist down, push the limits of adaptive climbing, conquering the 3,000-foot face of El Capitan. Then it's on to the Ruth Gorge of Alaska, where they cross a treacherous glacier to climb a remote rock wall. In a storm-stricken land that would challenge even able-bodied climbers, Timmy and Sean face their greatest challenge yet.
The bottom to top timelapse of Alex Honnold and Tommy Caldwell making history.
Hazel Findlay becomes the first woman to climb British E9 on a terrifying sea cliff, before heading to Morocco with Emily Harrington to big-wall climb.
British explorer Leo Houlding, French climber Jean Burgun and New Zealand cameraman Mark Sedon ski across a continent of ice to take Antarctica's Spectre, the most remote mountain on earth.
