Ian Hislop travels from Kolkata, the former capital of the British Raj and present seat of the Marxist government of West Bengal, to Rajasthan.
Michael Portillo explores his roots in a trek across the railway networks of Spain.
Fergal Keane travels through Japan and receives earthquake training and etiquette lessons.
Rick Stein crosses Mexico from the Pacific to the Atlantic Ocean.
Nick Hancock crosses Cuba, battling hurricanes as well as the crumbling infrastructure.
Hollywood star Danny Glover rides the oldest line in Africa, the Bamako Express.
Stephen Tompkinson relives the days of colonial train travel as a pampered passenger on the Eastern and Oriental Express.