I am going to a business conference in Korea in July. I've managed to prolong my stay by 3-4 days (can't stay longer because I have another meeting in Europe). The event is in Seoul. What are "must see" things in Korea (within my short period staying there)? I tried asking a friend, but she only mentioned city names...
Should I stay in Seoul, or is it possible to head somewhere else in that short period of time?
I have never been to Asia before. I am not that into way too touristy things BTW. I am aware that the list might be long, but I just want to know the "must sees" (like Greece - Acropolis, Paris - Eiffel tower, Peru - Machu Picchu...)