Circumnavigator Naomi Jones searches for Polynesian culture by sea and air.
Writer/poet Hugo Williams crosses the U.S. border into Mexico and Central America.
Musician Billy Bragg and broadcaster Andy Kershaw examine music and the heyday of the Spanish silver trade in Bolivia.
Soldiers re-enact exercises as photographer Philip Jones Griffiths travels Vietnam's Ho Chi Minh Trail.
Author William Shawcross travels Africa's salt routes, examining the fate of the Tuareg who once controlled them.
Journalist/musician Miles Kington travels an ancient mountain route linking Burma and China.
Historian Norman Stone studies patterns of historical development as he travels through the Soviet Union.
Writer/explorer Colin Thubron travels across China, into a Muslim society of farmers and traders in Kashgar.