South korea is one of the worlds only divided country and the korean demilitarized zone remains along the military demarcation line which separates the two koreas south korea is also very well known for having one of the toughest neighboring countries to deal with north korea since the end of the korean war in 1953 the dmz demilitarized zone has remained one of the most heavily guarded areas in the world it also happens to be right outside of seoul experience this area and see the rea