- Go to Gyeongbokgung Palace to see the change of Royal Guard Ceremony. They do it twice a day. The first ritual starts at 10:00 AM and there is another one in the afternoon at 2:00 PM. They also have a free guided tour 3 times a day. I did the last one at 3:30 where it was less crowded.
- Bukchon Hanok village – there are a few cultural villages near the center but perhaps the Bukchon is the most popular one.
- Walk around Jongno-du neighborhood and Tapgol Park. Visit the popular Seoul version of SOHO shopping streets in Nagwon Dong. Try the street food here as well.
- Get up early and hike to Bugaksen mountain and see the historical fortress wall that once surrounded Seoul
- When you get back from your hike make a visit to the open air market, Namdaemun market.
- Go to N tower to see the breathtaking night view of Seoul
- If you want to see North Korea from the border then organize a half a day tour to DMZ. You can book it through Viator.
- Alternatively if you are not interested in DMZ tour you can check out the Gangnum neighborhood and Samsung museum.
- Go to Samneung park. It is a burial ground of two kings from Joseon Dynasty. The walk itself is peaceful.
- Check out the War memorial of Korea to get a better understanding of the two Koreas before and after the two World wars and Korean War.