west side of the hill, are numerous platforms or terraces that, according to recent investigation works are residential areas; to date 25 structures constructed towards 650 AD, have been identified. Muralla This wall (Muralla is the protective perimeter wall) is emphasized, by its dimensions (four metres high by three metres thick) as well as by its location on edges of the cliffs surrounding the north and northeast parts of the site. Apparently this structure was constructed towards the end of the occupation of La Quemada and, perhaps, it represents one of the best indicators of the problems faced by city residents as well as their perseverance to remain there. Ciudadela Located at the highest part of the site, several buildings have been identified, possibly used for ceremonial and defensive purposes. El Cuartel Headquarters. This structure probably was used to build houses. Reportedly, the roof caught fire and collapsed. The reference web page has photographs. Pirámide de los Sacrificios Sacrifices pyramid, Structure and terrace 18. It is believed that human sacrifices for the gods were conducted here. (Photographs at the referenced web page, courtesy of Ricardo Espejel) Site museum Located in the archaeological zone, its architectonic design was conceived such that it integrates to the surrounding landscape and the archaeological site by the use of material characteristic of the buildings constructed in the site (stone slabs, stucco and finishing). This museum offers a panorama of the region archaeological evolution through diverse informative elements, a site scale model and descriptive videos of the main prehispanic settlements in Zacatecas: Loma San Gabriel, Chalchihuites and of course La Quemada. Notes References Chicomoztoc - La Quemada, Zacatecas. Ricardo Espejel Cruz, 2003–2005. Mesoamerican sites Archaeological sites in Zacatecas Former populated places in Mexico Buildings and structures in Mesoamerica Museums in Zacatecas Tourist attractions in Zacatecas Archaeological museums in Mexico World Heritage Tentative List for Mexico