World Factbook (CIA) The CIA's handbook of basic geographical and statistical information on the nations of the world. Includes map.
Country Background Notes.(U.S. Department of State) Background Notes are updated/revised by the Office of Electronic Information and Publications of the Bureau of Public Affairs as they are received from regional bureaus.
Country and Regional Information from the International Monetary FundIMF reports arranged by country and region
Latin American Network Information Center
History of Mexico from history.com
Ancient Mesoamerican Civilizations Mesomerican (Aztec, Maya, Olmec, etc.) and Andean (Inca) civilizations are described with excellent photographs of ancient structures.