The Royal Palace contains some spectacular buildings. Not least of which is the Throne Hall, situated to the left of the main entrance. It boasts a 59-meter tower. The tower roof is beautiful, having been decoratively tiered with golden coloured tiles. This building is used for high official celebrations, coronations and audiences with foreign dignitaries and government officials. The Royal Treasury and the Napoleon II villa lie south to the Royal Throne Hall.

Wat Preah Keo Morakot (Silver Pagoda) is located in the southern portion of the Royal Palace complex. The pagoda was formerly known as Wat Uborsoth Rotannaram because it is where the King worshiped, prayed and practiced every Buddhist Silas Day.

Killing Fields of Cheung Ek is situated 15 kilometers south-west of Phnom Penh and made famous by the film of the same name "Killing Field". it was a place where more than 17,000 civilians were killed and buried in mass graves; many of them transported here after detention and torture in Toul Sleng. This place is a chilling reminder of the brutalities of the genocidal Khmer Rouge regime. In the center of the area is a 17 story glass stupa which houses 8000 skulls exhumed from mass graves. Open daily.Note: Both Tuol Sleng Museum and the Killing Fields exhibits may be disturbing for some and aren't suitable for younger children and adults who are easily shocked.

In 1975, Tuol Svay Prey High School was taken over by Pol Pot's security force and turned into a prison known as Security Prison 21 (S-21). It soon became the largest such center of detention and torture in the country. Over 17,000 people held at S-21 were taken to the extermination camp at Choeung Ek to be executed; detainees who died during torture were buried in mass graves in the prison grounds. S-21 has been turned into the Tuol Sleng Museum, which serves as a testament to the crimes of the Khmer Rough.

Independence Day is a national holiday observed annually in Cambodia every 9 November. The date celebrates Cambodia's Declaration of Independence from France on 9 November 1953. The site to celebrate the ceremony is at Independence Monument.