Set on top of a tree-covered knoll 27m high, Wat Phnom is the only hill in town. According to legend, the first pagoda on this site was erected in 1373 to house four statues of Buddha deposited here by the waters of the Mekong and discovered by a woman name, Penh.

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.

On the way back from Wat Phnom Temple (Pagoda), we will enjoy with the view of Mekong or Mekong River, is a trans-boundary river in East Asia and Southeast Asia. It is the world's tenth longest river and the sixth longest in Asia.[2] Its estimated length is 4,909 km (3,050 mi),[2] and it drains an area of 795,000 km2 (307,000 sq mi), discharging 475 km3 (114 cu mi) of water annually.[3] From the Tibetan Plateau the river runs through China, Myanmar, Laos, Thailand, Cambodia, and Vietnam. The extreme seasonal variations in flow and the presence of rapids and waterfalls in the Mekong make navigation difficult. Even so, the river is a major trade route between western China and Southeast Asia.

Sisowath Quay (Khmer: តីរវិថី ​ព្រះស៊ីសុវត្ថិ, Preah Sisowath Quay) is a 3-kilometer riverfront strip lined with hotels, restaurants, bars, cafes, and shops. The strip is filled with vendors and locals, and is popular with tourists. The portion in front of the palace was used for watching boat races during the Water Festival. The Foreign Correspondents' Club of Cambodia is located along the strip. The quay is named in honour of King Sisowath of Cambodia.

The Norodom Sihanouk Memorial is a monument commemorating former King Norodom Sihanouk located in Phnom Penh, Cambodia. The bronze statue is 4.5 meters tall and is housed under a 27 meter high stupa in the park east of the Independence Monument.

An Angkorian style tower, the inimitable place in the whole city, located in the heart of the capital. It was built in 1958 to Sybilles Cambodian Independence Day after winning back their independence from the French protectorate on the 9th of November 1953.

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.

Between 1975 and 1978,aabout 17,000 men, women, children and infants (including nine westerners), detained and tortured at S-21 prison (now Tuol Sleng Museum), were transported to the extermination to death to avoid wasting precious bullets.The remains of 8985 people, many of whom were bound and blindfolded, were exhumed in 1980 from mass graves in this one-time long an orchard; 43 of the 129 communal graves here have been left untouched. Fragment of Human bone and bits of cloth are scattered around the disinterred pits. Over 8000 skulls, arranged by sex, are visible behind the clear glass panels of the Memoral Stupa, which was erected in 1988.The Killing Fields of Choeung Ek are 15 km from Central Phnom Penh. To get there, take Monireth Blvd south-westward out of the city from the Dang Kor Market bus depot. The site is 8.5 km from the bridge near 271 St. A memorial ceremony is held annually at Choeung Ek on 9 May. 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.

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.

The Central Market is an Art Deco landmark of Phnom Penh, the capital of Cambodia. The bright yellow building completed in 1937 has a 26m high central dome, with four tall arch-roofed arms branching out diagonally across the block, creating vast hallways housing countless stalls and all kinds of goods.