Codz Poop (Palace of the Masks), Kabah
How did Kabah's masons cut, sort and fit thousands of interchangeable limestone elements — with no metal tools, no wheel and no surviving plan — into rank upon rank of near-identical god-masks covering an entire 53-metre façade?
c. 850-900 CE (Terminal Classic), with carved dates on the building itself read as 859 and 873 CE · Kabah, Yucatán, MexicoAdded July 2026