University of Colorado
University of Colorado: Confluence Creations: Chaco Canyon Tour
Take a tour of the Chaco Canyon archaeological site. The map takes you to the many dwellings and important astronomical sites. Virtual tours are available if you have Quick Time.
Pennsylvania State University
Penn State: Prehistoric Cultures of the Southwest
This site from Penn State gives a brief overview of all the ancient cultures of the Southwest, but gives emphasis to the Anasazi, their dwellings with a picture of an Anasazi pithouse.