Experience an extraordinary journey through Southeast Asia on Norwegian Sun. Encompassing an impressive castle, citadels, imposing stone walls, motes and a sprawling garden boasting hundreds of cherry trees, Osaka Castle Park is a major landmark and a must-see during your time in Osaka. In Naha, learn about ancient Okinawan culture at the Ryuku Folk Village and see pottery making and weaving demonstrations before touring other city attractions. Then explore Nagasaki's museums and memorials dedicated to World War II and pause to appreciate the city's natural beauty with its rolling hills and serene gardens.