Back up to: High Altitude
8/8 Graham Bell and Ed Leigh attempt to cross the vast snowy wilderness of Iceland.
7/8 Graham and Ed invite Simon Le Bon to a frozen lake in a quest for sailing supremacy.
6/8 Graham Bell and Ed Leigh attempt to climb a 125ft glacier wall in Chile.
5/8 Graham Bell has to survive a night alone in the wilds of the Andes.
4/8 Graham Bell attempts to reach 200kph on the world championship speed skiing course.
3/8 Graham Bell takes on the Arctic Circle Race, a 160km cross-country trek through Greenland.
2/8 Graham Bell and British skier Noel Baxter set out to climb Mont Blanc.
1/8 Ed and Graham attempt a 100m crossing between two mountain peaks on a single piece of rope