Once each month a train departs the coastal mega city of Lima, Peru, bound for the highlands. Along the way the railroad passes through numerous tunnels and over trestles, crowning out at nearly 16,000 feet elevation. Host Dave Yetman hops on the train to arrive at its destination, the indigenous city of Huancayo, high on the Altiplano of the Andes and as different from Lima as any two cities in the world.