Minwoo : You should use public transportations well to look around all the attractions. From now on, I will let you know how to use public transportations in Korea. You can get the information about public transportations on the internet. On this website, you can find all the information you need to know about public transportations such as subway, intra-city and intercity bus, KTX, train, express bus, flight and ferry. Moreover, you should check this site before you start your journey as it has the time information, which tells you when is the first and the last train or city tour buses, and it will help you to look around the city more easily.