Explore some of Seoul's top sights on a single deck bus with this hop-on hop-off tour. With a bus coming every 25 to 30 minutes, hop off and check out a location and never have to wait long to head to the next. Included is an international voice guidance system that will provide information about every stop along the way in 11 languages. Buses run starting from 9am until 8pm with the last bus leaving the departure point at 6pm.