Phnom Penh: A Guide to the Cambodian Capital A breakdown of the main sights to see in Phnom Penh including the Killing Fields, S-21, The Royal Palace and more! Read More Asia TravelChristopher MitchellOctober 29, 2012Cambodia, Choeung Elk, Killing Fields, Phnom Penh, S-21, Security Prison 21, Silver Pagoda, The Royal Palace, Tourism, Travel, Wat Phnom, First They Killed My Father, The Killing Fields of Choeung Ek, Genocide, The Tuol Sleng Genocide Museum