From the port city of Cadiz, where conquistadors set off to conquer the New World, Megan McCormick begins the journey to the Andalusian city of Cordoba to explore 400 years of Moorish occupation, symbolized by its world heritage site, the Mesquita. Then it's into the heart of western Spain and the city of Merida, famed for its Roman ruins, before ending the adventure in the medieval cities of Avila and Trujillo.
Megan McCormick visits the Eternal City, taking in the sites, including the Colosseum and the Forum, and exploring the architectural legacies of such famous emperors as Augustus, Nero and Trajan, who erected triumphal arches and obelisks to decorate the city and celebrate their military victories. McCormick also takes a day trip outside the crumbling city walls to visit Roman villas and aqueducts along the ancient Roman road, the Appian Way.
Zay Harding travels on Bolivia's railways. The first stop is Bolivia's agricultural heartland of Santa Cruz, followed by the constitutional capital of Sucre. Zay then heads to Potosi, where he tries his hand at being a miner for the day, followed by a journey to Uyuni, where he visits the Salar de Uyuni—a salt flat rich in both salt and lithium. Zay heads to Bolivia's administrative capital, La Paz, before concluding his trip at the Pacific coast.
Ian Wright travels to the high Arctic from the coast of northern Norway, working his passage on a trawler fishing for cod before continuing his voyage on a specially ice-strengthened vessel around Spitsbergen, the world's northernmost inhabited islands. Ian's tough Arctic journey starts in fishing port of Tromso, more than 200 miles north of the Arctic Circle. From here, aboard the fishing trawler Hermes, he travels another 300 miles north to rich fishing ground near remote Bear Island.
A tour of the American Midwest and Great Lake states, which was dubbed the "Rust Belt" in 1984 by presidential candidate Walter Mondale. Included: young people who are regenerating the once monumental metropolises of America's gilded age.