A 2-day tour to visit the world heritage of Preah Vihear, which is right on the border of Thailand. While in North Cambodia (the area of the Khmer Rouge’s strongholds) we have an unrivaled opportunity to learn in depth about the Khmer Rouge’s History. See one of Pol Pot’s headquarters & training grounds. Discover what the civil war in Cambodia was all about first hand. Meet and interact with people who saw what happened. Overnight in Saem Town. Drive through rural farm and bushlands. View the ancient Koh Ker area, said to be older than Angkor Wat en route to Siem Reap on day 2.