Top 10 Korea #6 — DMZ: A Day Tour Across the World's Most Heavily Armed Border

The Demilitarized Zone is the 4-kilometer-wide buffer separating South and North Korea, and the section closest to Seoul is open to foreign visitors year-round through accredited tour operators. The experience is somewhere between historical tour and reality check — and consistently the single attraction most foreign visitors say they'd recommend to a friend. Three stops appear on almost every tour itinerary. The Third Infiltration Tunnel (제3땅굴) is one of the four tunnels the North Korean army dug under the border in the 1970s — visitors descend 73 meters underground and walk the actual tunnel for about 265 meters. Dora Observatory (도라전망대) is the hilltop platform where binoculars give the closest legal view of North Korean propaganda villages, the Kaesong Industrial Region, and on clear days even Pyongyang's outskirts. And Imjingak Peace Park (임진각) is the gathering point for divided families and the location of the Bridge of Freedom, where 12,773 Korean prisoners of war crossed back to the South in 1953. Getting there: independent travel into the DMZ is not allowed; book a half-day or full-day tour from Seoul, most run ₩50,000–₩90,000 with bus pickup near Hongdae or Myeongdong. Bring your passport. Practical tips: tours sometimes get cancelled on short notice for military activity — book with a flexible-cancellation operator. The JSA (Panmunjom) section is currently closed to all visitors as of writing; the standard tour covers the rest. Up next on #7: KTX plus a short bus reaches Andong, the village where Confucian Korea still runs daily life.