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 ...

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

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.

Inside the chest, they found 15 perfectly preserved anthropomorphic figurines made of serpentine, along with Aztec symbols of water and fertility such as marine sand, a pair of rattlesnake-shaped ...