This ritual ensured the Aztec civilization was renewed for another half century. The darker turquoise mosaic pieces on the cheeks and nose of the mask appear to form a butterfly, another symbol of ...

What it is: A turquoise-encrusted wooden mask from the Aztec civilization Where it is from: Somewhere in Mesoamerica When it was made: Between 1400 and 1521 Related: Book of Kells: A 1,200-year ...