The ruins of Tiwanaku (Tiahuanaco), a pre-Columbian city, cover an area of approximately 400 hectares.
Tiwanaku is located at an altitude of approximately 3,850 meters above sea level.
The city was founded around 110 AD and collapsed around 1000 AD. The city was first recorded in written history in 1549 by the Spanish conquistador.
The main structures are the Akapana, Kalasasaya, Pumapunku and the Semi-Subterranean Temple terraced step platforms. Other monuments include the Gate of the Sun, Gate of the Moon, Fraile Monolith, Bennett Monolith.
Tiwanaku is home to the Museo Cerámico and Museo Lítico administered by the Centro de Investigaciones Arqueológicas, Antropológicas y Administración de Tiwanaku (CIAAAT) and the Museo Regional de Arqueología de Tiwanaku administered by the Dirección Nacional de Arqueología y Antropología (DINAAR).