Three iconic adventurers - newsman John Simpson, polar explorer Ranulph Fiennes and solo yachtsman Robin Knox-Johnston - go on a newsgathering trip to war-torn Afghanistan, attempt to sail around the most notorious of all maritime landmarks, Cape Horn, situated at the southernmost tip of South America, and man-haul sledges across the frozen sea ice of the Canadian Arctic.
Ranulph Fiennes
Himself - Presenter
John Simpson
Himself - Presenter
Robin Knox-Johnston
Himself - Presenter
Polar trek gets tough - BBC
John Simpson's frostbite - BBC
