Monumental Construction

An amphitheater for around 50,000 spectators, built in less than a decade.

A stepped pyramid whose stairs cast a serpent shadow at the equinoxes.

The largest pyramid ever built, with granite roof beams in the King's Chamber raised more than 40 m ...

A network of walls surveyed at more than 21,000 km, built and rebuilt over two millennia.

For centuries one of the tallest structures on Earth, later toppled by earthquakes.

Second pyramid of Giza, still capped with part of its original polished casing.

Smallest of the three, once cased in red Aswan granite on its lower courses.

One of the largest pyramids in the Americas, at the heart of a city of perhaps 100,000 people.

The earliest large cut-stone building in Egypt and the prototype for every pyramid after it.

A white marble mausoleum inlaid with semi-precious stone.

The great twin temple of the Aztec capital, rebuilt seven times on top of itself.