Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

An Inca spa, military outpost or maybe… both?

The Incas turned this ancient Wari aqueduct into an imposing defensive gate.

At a Bangkok bistro, one pot of beef stew has been cooking non-stop for more than 45 years.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A marvel of Byzantine engineering under the streets of Istanbul.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Legend says this sacred tree was a gift from goddess Athena.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

Roman ruins top white travertine terraces formed by ancient hot springs.