1. From Phnom Penh: Killing Fields and Prison S21 Tour
Choose between a morning or afternoon 4.5-hour of the Killing Fields and the Security Prison S21. Start with a ride to the Genocide Museum (also known as Prison S21). The prison comprises 4 buildings with exhibitions in several rooms. Prison survivors are sometimes present to talk to visitors and share their experiences. After an hour and 15 minutes at the museum, meet the tour assistant at the main entrance to continue the tour. During a 30-40-minute drive to the Killing Fields, watch a documentary on the Khmer Rouge regime. There will be around 1 hour and 15 minutes to explore the site. Audio guide is available in 15 languages along with a map of the fields.