Discover Pusan, Busan (South Korea)?
South-Korea is not on everyone's tourist map or list of priorities, but it's modern cities Seoul and Busan as well as Jeju-Island, K-Pop and Gangnam Style have definitely put the peninsula on the world map. You can also visit the DMZ at the border with North-Korea and pray that North & South will one day be united and friends again.
Busan (aka Pusan), a large port city in South Korea, is known for its beaches, mountains and temples. The wet and dry fish markets are also a must-see. The metropolitan area is 3-4 million people.