Ancient CivilizationsToltec Altar and Grisly Offerings Unearthed Near Tula, Mexico Posted on April 12, 2026 by Administrator During archaeological salvage operations along the route of the new Mexico City-Querétaro Passenger Train, specialists from the National Institute of Anthropology and History (INAH) have unearthed a significant momoztli, or altar, just outside the Tula Archaeological Zone in Hidalgo. This fascinating discovery, dating to the Tollan phase (900-1150 AD), provides crucial new insights into the urban layout and ritual practices of Tula, the ancient capital of the mighty Toltec civilization.