Following breakfast, embark on a tour of South Korea's Demilitarized Zone (DMZ), the no man's land that forms the highly secure frontier between North and South Korea. Visit Dorasan train station, which connects north and south, and the Dorasan Observatory which overlooks the DMZ. Explore the 3rd Infiltration Tunnel, a secret passageway built by North Koreans trying to tunnel into the south, and view the heavily guarded Bridge of Freedom which links the two nations.
After lunch, return to Seoul for a city tour. Seoul has undergone a dramatic transformation over the last five decades, with the ravages of the Korean War making way to sleek skyscrapers and neon-lit districts. The city still retains several remnants of its imperial past and today's walking tour takes in these centuries-old structures, using Seoul's world-class underground system to move between sights. Starting at the Gyeongbokgung Palace, Changing of the Palace guard, onward to Insadong Antique Street and browse through the wares on display in elegant, wooden shopfronts. then stop in at the Buddhist temple of Jogyesa.