The Tuol Sleng Genocide Museum is a museum in Phnom Penh, the capital of Cambodia, chronicling the Cambodian genocide. The site is a former secondary school which was used as Security Prison 21 by the Khmer Rouge regime from its rise to power in 1975 to its fall in 1979

Choeung Ek is the site of a former orchard and mass grave of victims of the Khmer Rouge - killed between 1975 and 1979 - about 17 kilometres south of Phnom Penh, Cambodia. It is the best-known of the sites known as The Killing Fields, where the Khmer Rouge regime executed over one million people between 1975 and 1979.

Wat Phnom is a Buddhist temple located in Phnom Penh, Cambodia. It was built in 1372 and stands 27 metres above the ground. It is the tallest religious structure in the city. The pagoda was given the name of Wat Preah Chedey Borapaut. Wat Phnom is the central point of Phnom Penh

The National Museum of Cambodia in Phnom Penh is Cambodia's largest museum of cultural history and is the country's leading historical and archaeological museum. where collected, its collection of important Buddhist and Hindu sculpture addresses community religious needs as a place of worship. A permanent exhibition, Post-Angkorian Buddha, Under the auspices of the Cambodian Department of Museums, the Museum not only manages its own collection, staff, and premises but also supports and oversees all other state-run museums in Cambodia. Its activities are further supported by private individuals, foreign governments, and numerous philanthropic organisations. The activities of the Museum include the presentation, conservation, safekeeping, interpretation, and acquisition of Cambodian cultural material, as well as the repatriation of Cambodian cultural property. Looting and illicit export of Cambodian cultural material are a continuing concern.