At the hub of Toltec Chichen stands the Castillo. Inside the Castillo is an earlier Toltec-Maya pyramid, with beautifully preserved details. Chitchen Itza - Taken by Toltec forces from the sea. Completed in late Maya Classic stage between A.D. 600 and 850. The caracol contains an observatory.
Openings mark the setting of the moon at both sourthern declination and northern declination.
A grandiose replica of Pyramid B at Tula in Mexico, and a symbol of Toltec ascendancy over Yucatan. Vittoria Calvani, The Maya, Minerva S.A., 1976. Michael D. Coe, The Maya, fifth ed., New York, Thames and Hudson, Inc., 1995. William M. Ferguson, Maya Ruins of Mexico in Color, University of Oklahoma Press, 1977.