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Pyramid of the Sun

MEXICO CITY- NOVEMBER 15: A general view of the site of the ancient Sun Pyramid at the Teotihuacan Citadel outside of Mexico City during the Gran Premio Gigante-Telmex, round 19 of the CART (Championship Auto Racing Teams) Fed Ex Championship Series on November 15, 2002 at the Autodromo Hermanos Rodriguez in Mexico City, Mexico. (Photo by Donald Miralle/Getty Images)

Pyramid of the Sun

Archaeologists announced Dec. 13 that they dug to the very core of Mexico's tallest pyramid and found what may be the original ceremonial offering placed on the site of the Pyramid of the Sun before construction began.