National Endowment for the Humanities
Neh: Edsit Ement: The Aztecs Mighty Warriors of Mexico
Unit plan to teach about the Aztec civilization. Includes websites, worksheets, activities, and extending the lesson.
Other
Archaeological Legacy Institute: Archaeology Channel: Video Buffet
This site has a large collection of free videos featuring various archaeology sites all over the world.
Metropolitan Museum of Art
Metropolitan Museum of Art: Teotihuacan
Detail offered on Teotihuacan civilization, Pyramids of the Sun and Moon, mural paintings, and the Ciudadela.