The ruins of the Hallakdere monastery complex are located 1 kilometer northeast of the city of Ortahisar. The monastery was founded in the XI century. Several buildings and a church have been preserved to our time, which are of great historical value.
The majestic Bayon Temple was built in the very center of the capital Angkor Thom by King Jayavarman VII at the end of the 12th - beginning of the 13th centuries. The peculiarity of Bayon is the towers with large, serene stone faces carved on them on four sides.