Ta Keo stands as a remarkable example of early Khmer architecture. This five-tiered temple mountain was constructed during the 11th century under the reign of Jayavarman V and was dedicated to the Hindu deity Shiva.
The structure holds historical importance as the first temple to be constructed entirely of sandstone. The central tower rises to approximately 50 meters in height and is surrounded by four lower towers, though only three are typically visible from standard viewing angles.
The temple remains notably austere in appearance, lacking the decorative elements found in many contemporaneous structures. Construction was never completed, lending the site an unfinished quality that reflects its ancient origins. Over centuries, the surrounding landscape has reclaimed portions of the temple grounds. Vegetation has taken root within the rubble surrounding the structure, with tree roots penetrating the stonework and cascading down the ancient blocks in patterns resembling flowing water.