Chef Rick Stein crosses Mexico from the Pacific to the Atlantic Ocean, travelling on the spectacular rail route that winds through Copper Canyon and the Sierre Madre mountains.

Hollywood star Danny Glover travels through Senegal into poverty-stricken Mali on a journey to discover whether such nations can achieve economic advancement without a loss of African identity. Along the way, he meets musician Youssou N'Dour and film director Sembene Ousmane.