Aired: 9/4/2011
Comedian Sue Perkins and adventurer Charley Boorman travel across Alaska to the notorious Dalton Highway, where avalanche units operate throughout the year.
Aired: 9/11/2011
Comedians Rhod Gilbert and Greg Davies attempt to drive through the mountainous, landlocked nation of Nepal.
Aired: 9/18/2011
Ben Fogle and Hugh Dennis travel from the Peruvian Andes to the depths of the Amazon, in search of the lost city of Constitucion.
