Copan Ruins
- A traveler's guide to the Copan ruins in western Honduras, part of the Mayan Indian culture.
- http://www.copanruins.com/

Copan 1998-2000
- Report of research at the University of Pennsylvania Museum of Archaeology and Anthropology. Includes descriptions of early and final excavation programs.
- http://www.museum.upenn.edu/new/research/Exp_Rese_Disc/Americas/copan.shtml

Collapse: Looking for Clues at Copan
- Interactive introduction to the historical problem of what caused the Mayan civilization in this area to fall.
- http://www.learner.org/exhibits/collapse/copan/index.php

Altar Q and Copán
- Paper by David Stuart on heiroglyphs and history, with quicktime movie of Altr Q. Includes article and photos about the making of the movie.
- http://www.peabody.harvard.edu/Copan/default.html