Ancient Astronomy

Ancient Observatories - great site from San Francisco's Exploratorium Museum about Chaco Canyon and Chichen Itza

 Standford Solar Center - great infomation on many ancient sites


Ancient Observatories, Timeless Knowledge - NASA site about ancient astronomy sites;  search the Image Gallery for information about different sites; The Traditions link has some interesting interactives.

Mystic Places - satellite views of many ancient observatory sites


Linfin Observatory - news story on the oldest astronomical observatory ever found