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Ancient Observatories, Timeless Knowledge

Sun-Earth Day Presents: Ancient Observatories, Timeless Knowledge

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Chichen Itza

This picture of Jim Spadacinni, designer of the award-wining Sun-Earth Media Viewer and Traditions of the Sun Viewer, was taken as he neared the top of the Pyramid of Kulkulkan (El Castillo). Notice the shadow of the pyramid in the background: 91 steps below! Each face of the pyramid has a stairway with ninety-one steps, which together with the shared step of the platform at the top, add up to 365, the number of days in a year. Learn More»

Photo: Troy Cline

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