Chan Chan
How did the Chimú raise the largest earthen city on Earth — roughly 20 square kilometers of adobe palaces, tapering earthquake-resistant walls, and marine friezes — and keep tens of thousands of people alive in one of the driest deserts on the planet, where it almost never rains?
c. 850–1470 CE (Chimú kingdom of Chimor) · Chan Chan, near Trujillo, La Libertad Region, PeruAdded July 2026