Prambanan

Prambanan is the largest Hindu temple compound in Indonesia, located in Central Java, approximately 18 km east of Yogyakarta.
It was built around 850 CE by either Rakai Pikatan, king of the second Mataram dynasty or Balitung Maha Sambu, during the Sanjaya dynasty. Not long after its construction, the temple was abandoned and began to deteriorate. Reconstruction of the compound began in 1918. The main building was completed in around 1953, since it is next to impossible to find the original stonework, which has often been stolen and reused at remote construction sites. A temple will only be rebuilt if at least 75% of the original stones are available. Therefore only their foundation walls of most of the smaller shrines are visible and they will not be rebuilt.
Today, it is a UNESCO World Heritage Site and one of the largest Hindu temples in south-east Asia. It is characterised by its tall and pointed architecture, typical of Hindu temple architecture, and by the 47m high central building inside a large complex of individual temples.
The temple was damaged during the earthquake in Java in 2006. Early photos suggested that although the complex appears to be structurally intact, damage is significant, with large pieces of debris, including carvings, scattered over the ground. The temple has been closed to the public until damage can be fully assessed. The head of Yogyakarta Archaeological Conservation Agency stated that: "it will take months to identify the precise damage". However, some weeks later in 2006 the site re-opened for visitors. The immediate surroundings of the Hindu temples remain off-limits for safety reason.

Borobudur

Borobudur is a ninth century Buddhist Mahayana monument in Central Java, Indonesia. The monument comprises six square platforms topped by three circular platforms, and is decorated with 2,672 relief panels and 504 Buddha statues. A main dome is located at the center of the top platform, and is surrounded by seventy-two Buddha statues seated inside perforated stupa.
The monument is both a shrine to the Lord Buddha and a place for Buddhist pilgrimage. The journey for pilgrims begins at the base of the monument and follows a path circumambulating the monument while ascending to the top through the three levels of Buddhist cosmology, namely, Kamadhatu (the world of desire); Rupadhatu (the world of forms); and Arupadhatu (the world of formless). During the journey, the monument guides the pilgrims through a system of stairways and corridors with 1,460 narrative relief panels on the wall and the balustrades.
Evidence suggests Borobudur was abandoned following the fourteenth century decline of Buddhist and Hindu kingdoms in Java, and the Javanese conversion to Islam. It was rediscovered in 1814 by Sir Thomas Raffles, the British ruler of Java. Borobudur has since been preserved through several restorations. The largest restoration project was undertaken between 1975 and 1982 by the Indonesian government and UNESCO, following which the monument was listed as a UNESCO World Heritage Site. Borobudur is still used for pilgrimage, and once a year Buddhists in Indonesia celebrate Vesak at the monument. It is Indonesia's single most visited tourist attraction.