Seoul has an excellent subway system, making it convenient to travel to major attractions. Using apps like Google Maps or KakaoMap will make navigating much easier.
When visiting ancient palaces like Gyeongbokgung, try renting and wearing a hanbok. You can also get free admission and have a special experience as if you've traveled back in time.
Seoul offers a variety of attractions, from traditional markets to modern shopping malls, and ancient palaces to futuristic architecture. Planning your itinerary to enjoy a traditional atmosphere one day and a modern one on another will make for a richer trip.