Examines the history of transportation around the world, from prehistoric times when there were not only no wheels but no shoes, to electric, hybrid cars, and the Global Positioning System.

"'All roads lead to Rome' is a medieval proverb, but it's also true: today's European roads still follow the networks of the ancient empire - and these ancient roads continue to grip our modern imaginations as a physical manifestation of Rome's extraordinary greatness. Over the two thousand years since they were first built, these roads have been walked by crusaders and pilgrims, liberators and dictators, but also by tourists and writers, refugees...