History buffs and xenophiles can now experience all three of Seoul's royal palaces in a single day with a Hop-On Hop-Off bus ticket. Stop at Changdeokgung, Deoksugung, and Gwanghwamun whenever you like, then explore each location at your own pace. With buses stopping every half hour, you can move onto the next palace whenever you’re ready. Between sites, listen to in-depth audio commentary on the city’s history and heritage.