While in seoul travel to the korean demilitarized zone dmz and panmunjom ndash officially known as the joint security area jsa ndash and experience the infamous border that divides north korea and south korea learn from an expert guide about the role of the dmz and the negotiating site of the jsa from the korean war to the present yoursquoll visit the freedom bridge and the 3rd infiltration tunnel and observe life on the other side from the dora observatory