A major symbol of Cambodia itself, Angkor Wat is one of the oldest temples in the world that still functions as the significant religious center it was built to be. Constructed in the early 12th century for King Suryavarman II (ruled 1113-1150), Angkor Wat was a state temple and capital city for the community, first as a Hindu establishment and eventually becoming a Buddhist temple.
The style of Angkor Wat is the epitome of classical Khmer architecture. The two primary ties between this temple and architecture of the Khmer style is the temple mountain and gallery temples. It was inspired by the home of the gods in Hindu mythology, called Mount Meru. It is surrounded by a moat and a wall 3.6km long, and the three rectangular galleries are distinguished by level changes of the ground — via ArchDaily