*A minimum of 4 participants is required. If fewer than 4 people register, the tour may be canceled. Step into Korea’s hidden history with our immersive Cheorwon DMZ tour—a powerful journey through one of the most heavily fortified yet lesser-known border regions. Start your day with a convenient pick-up from Seoul, then head to the 2nd Infiltration Tunnel, an underground route once carved for covert movement during high tensions....