In the morning, visit the Gyeongbokgung Palace, the largest palace of the Joseon Dynasty, and watch the Royal Guard Changing Ceremony at the main gate. In the afternoon, explore the National Folk Museum located within the palace, which showcases the traditional lifestyle of Koreans. In the evening, walk around the nearby Bukchon Hanok Village, a traditional Korean neighborhood with hundreds of years of history.
In the morning, hike up the Namsan Mountain and visit the Namsan Tower, an iconic landmark of Seoul, which offers a breathtaking view of the city. In the afternoon, stroll around the nearby Myeong-dong area, famous for its shopping streets and street food markets. In the evening, watch a performance at the Nanta Theater, a non-verbal comedy show with traditional Korean percussion music.
In the morning, head to Dongdaemun Market, one of the largest and oldest traditional markets in Korea, and explore its various sections including the fashion district and the food alley. In the afternoon, visit the nearby Seoul City Wall Museum, which showcases the history and construction process of the Seoul City Wall, a UNESCO World Heritage Site. In the evening, visit the Cheonggyecheon Stream, a beautiful public park built on the site of a former stream.
Other local attractions and experiences you may consider are the Lotte World amusement park, the Noryangjin Fisheries Wholesale Market, and the Seoul Museum of Art. For a side trip, you can visit the nearby city of Incheon, which has a beautiful seaside and the Songdo Central Park. To maximize your fun in Seoul, try the Korean BBQ, the traditional Korean tea ceremony, and the Korean sauna (jjimjilbang).