The Aztec Calendar Stone, a world-renowned monument of Mesoamerican craftsmanship, was buried face-down by Spanish ...

CHICAGO -- An ambitious new exhibition at the Field Museum reassembles some fragments of a world that was shattered forever Aug. 31, 1521. That was when the small Spanish army of conquistador ...

Let's analyze the complex history of the poinsettia and how it went from an Aztec symbol to a Holiday icon ...

The odd symbols had been noted for centuries - thousands of them appear in Aztec property registries that were created around 1540. But no one knew the value of the symbols or how they were used ...

The stone used in the initial construction was likely repurposed when the dikes were rebuilt, explaining the Aztec symbols etched into the sides of the tunnel.