The Khmer Empire between 802 and 1431 produced architectural achievements that remain central to Cambodian national identity. King Suryavarman II commissioned Angkor Wat in the early twelfth century as a state temple dedicated to Vishnu. The structure covers approximately 162.6 hectares and contains an estimated 5 to 10 million sandstone blocks, each weighing up to 1.5 tons. The central tower rises 65 meters above ground level. The bas-reliefs extend for approximately 800 meters along the galleries and depict scenes from Hindu epics including the Churning of the Ocean of Milk and episodes from the Ramayana and Mahabharata. Modern archaeological surveys using LIDAR technology in 2015 revealed that Angkor Wat sat within an urban complex spanning at least 1,150 square kilometers, supporting estimated populations between 750,000 and one million people at its twelfth-century peak.
Angkor Thom, established by Jayavarman VII in the late twelfth century, enclosed approximately nine square kilometers within laterite walls eight meters high. The Bayon Temple at its center contains 54 stone towers, most bearing four faces carved into the stone, each face measuring approximately 1.7 meters from chin to hairline. Scholars including George Coedès and Philippe Stern identified these faces as representing either the bodhisattva Avalokiteshvara or Jayavarman VII himself, though consensus remains incomplete. The temple walls display 1.2 kilometers of bas-relief carvings depicting both historical battles against the Cham and scenes of twelfth-century daily life including market transactions, cooking practices, and cockfighting. Unlike Angkor Wat's Hindu dedication, Bayon served Mahayana Buddhist worship, reflecting Jayavarman VII's conversion from the Shaivism practiced by earlier Khmer rulers.
Banteay Srei, located 25 kilometers northeast of the main Angkor complex, was completed in 967 under the patronage of Yajnavaraha, a counselor to King Rajendravarman II. The temple's name translates as Citadel of Women, though this designation dates only to the 1910s and lacks historical documentation. The structure uses red and pink sandstone that permits finer carving detail than the grey sandstone common at Angkor Wat. The central sanctuaries stand only 9.8 meters high, making Banteay Srei among the smallest major Angkorian temples, but the devata figures carved into the doorways and lintels display facial features and decorative elements measuring less than two centimeters that remain intact after ten centuries. French archaeologist Henri Parmentier led the first systematic documentation in 1914. André Malraux's 1923 attempted theft of four apsara carvings resulted in his arrest and a suspended prison sentence, subsequently publicized his literary career, and increased French scholarly attention to Angkorian preservation.
The Preah Vihear Temple sits on a 525-meter escarpment in the Dângrêk Mountains along the Cambodia-Thailand border. Construction began under Yasovarman I in the late ninth century and continued through Suryavarman II's reign in the twelfth century. The temple extends 800 meters along a north-south axis leading to the cliff edge. The International Court of Justice ruled in 1962 that the temple belonged to Cambodia, a decision Thailand accepted until renewed military tensions in 2008 resulted in armed confrontations that killed at least four soldiers before UNESCO mediation. The temple's location 625 meters above sea level provides views extending 90 kilometers into Cambodia's northern plains. Unlike the concentric galleries typical of Angkor Wat and other lowland temples, Preah Vihear follows the natural mountain ridge through four successive courtyards connected by staircases, some containing up to 162 steps.
Cambodian classical music derives from courtly traditions developed during the Angkorian period and preserved through the royal courts at Phnom Penh and Battambang. The pinpeat ensemble comprises nine to ten instruments including the roneat ek, a bamboo xylophone with 21 keys spanning three octaves, and the sralai, a quadruple-reed instrument producing sounds comparable to the oboe. The ensemble performs for religious ceremonies, masked dance-dramas, and shadow puppet theater. Each instrument occupies a defined role within the polyphonic structure: the roneat ek states melodic themes, the kong vong thom, a circular frame containing 16 tuned gongs, provides rhythmic elaboration, and the sampho, a double-headed barrel drum, controls tempo and signals transitions. Tuning systems traditionally employed seven-tone scales distinct from Western equal temperament, with interval measurements varying between individual instrument makers and regional traditions.
The Khmer Rouge regime between 1975 and 1979 targeted musicians as representatives of urban and courtly culture. Documentation by the Cambodian Living Arts organization established that approximately 90 percent of classical musicians died during this period through execution, forced labor, or starvation. The organization's interviews with survivors identified fewer than ten master musicians of the roneat ek alive in 1979. Chheng Phon, recognized by UNESCO in 2008 as a Living Human Treasure for his preservation of pinpeat traditions, survived by concealing his identity and working in agricultural labor camps. He resumed teaching in Phnom Penh in 1981, training a new generation of performers at the Royal University of Fine Arts. Recordings of complete pinpeat repertoire from before 1975 remain extremely limited. The Cambodian Musicological Archive at the University of Washington holds approximately 140 hours of field recordings made by Sam-Ang Sam between 1988 and 2010, representing the most comprehensive documentation of post-genocide reconstruction.
Chapei dong veng, a long-necked lute with two strings, accompanies solo narrative performances combining sung poetry with spoken commentary. The instrument's body measures approximately 90 centimeters in length and traditionally used a carved single piece of wood, though contemporary makers sometimes employ laminated construction. Performers like Kong Nay, who lost his sight to smallpox at age four, developed repertoires exceeding 200 narrative songs addressing social conditions, moral lessons, and political satire. Kong Nay's performances during the 1980s and 1990s incorporated veiled criticisms of government corruption and economic inequality, using traditional poetic forms to avoid censorship. UNESCO inscribed chapei dong veng on the Representative List of the Intangible Cultural Heritage of Humanity in 2016, citing its role in transmitting oral history and maintaining pre-industrial performance techniques.
The smot chanting tradition accompanies Buddhist religious observances and funeral ceremonies. Monks recite Pali texts in melodic patterns that vary by region and monastery lineage. The chanting employs heterophonic texture where multiple voices perform simultaneous variations of a single melodic line, creating density through small rhythmic and ornamental differences rather than harmonic progression. Performances may continue for eight hours or longer during major ceremonies like Pchum Ben, when families make offerings to deceased relatives. The Dhammayietra organization documented in 2019 that fewer than 30 monks maintained complete knowledge of the most elaborate smot repertoire, concentrated primarily in monasteries around Phnom Penh and Battambang. Training requires memorization of texts extending to several thousand lines, traditionally learned through oral transmission without written notation.
Cambodian classical dance developed within the royal court and depicts narratives from the Reamker, the Khmer adaptation of the Ramayana. The Royal Ballet of Cambodia maintained approximately 600 dancers during the 1960s under the patronage of King Norodom Sihanouk. Queen Sisowath Kossamak Nearyrath served as the institution's primary patron and choreographic director until her death in 1975. Dancers train from age five or six, developing the extreme finger flexibility that allows the hand to bend backward until the fingertips approach the forearm. This position, called kbach, appears repeatedly in Angkorian apsara carvings and functions as a primary aesthetic marker distinguishing Cambodian classical dance from Thai and Lao traditions.