University of California
University of California at San Diego: Aztec Chronology
An extremely detailed chronology of the Aztecs and their predecessors, stretching from 600 AD to 1521, their conquest by the Spaniards. Scroll to the end to find a genealogical chart of the Aztec royal house.
PBS
Pbs: The Conquistadors
A huge website that provides a virtual field trip exploring the Spanish adventurers who quested for gold and land in the New World. The site has information on Pizarro, Orellana, Cabeza de Vaca, Cortes as well as extensive information...
Wikimedia
Wikipedia: Aztec
An encyclopedia article from Wikipedia on the Aztecs discusses the legend of how they first appeared, their culture, human sacrifice, and the end of the empire.
Wikimedia
Wikipedia: Toltec
Wikipedia offers great information on the Toltecs, a Pre-Columbian Native American people who dominated much of central Mexico.
PBS
Pbs: The Conquistadors: Aztec Life and Times
Read about what life was like for the Aztecs before the Spanish Conquest. This is part of a larger PBS site about the conquistadors.
Other
The Pacific Coast of Oaxaca
This page contains information about the state of Oaxaca and information on the towns of Huatulco, Puerto Angel, Zipolite, and Puerto Escondido and other nearby areas. Contains a good but quick overview of the area.