The Aztecs built an expansive system of aqueducts that supplied water for irrigation and bathing.

FACT CHECK: We strive for accuracy and fairness. But if you see something that doesn't look right, contact us!

RELATED CONTENT

How and why did the once mighty Aztec Empire crumble in the 16th century? Ask HISTORY looks for answers.

Cultures soon clash when Spaniards first encounter the Aztecs.

Chinampas were a marvel of engineering that allowed the Aztecs to literally create new farming land where there was none before.

Though they could build complex suspension bridges, the Aztecs could not ward off diseases brought over by the Spanish.

The Mayan King Pacal built a complex tomb that has lasted centuries.

Did the ancient Aztecs predict the arrival of Hernan Cortez in 1519?