Where: Yucatan Peninsula, Mexico

Established: AD 600 (Maya Classic period)

Deriving from the Maya name meaning "At the mouth of the well of the Itza", Chichen Itza, a world heritage site, is thought to be one of the most important examples of the Mayan-Toltec civilisation. The area also has a sacred cave network.

"It illustrates two major periods in pre-Hispanic civilisations" - International Council on Monuments and sites, 1987