Korean Demilitarized Zone Half-Day Tour from Seoul – viator.com www.viator.com/ From Viator, A TripAdvisor Company. Book 5-Star Tours and Activities. Quick & Easy Purchase Process! 24 Hour Cancellation Policy Available. 200,000+ Things to Do. Free Cancellation. Low Price Guarantee. Verified Reviews. Photos, Videos, & Maps. Skip the Line Tickets. 24/7 Live Support.