A closer look at this somewhat faded hotel by the Corinth Canal reveals the architectural undertones of a genius.

This legendary city has been a tourist attraction for centuries.

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

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

An ancient octagonal weather station named for the eight Greek gods of wind.

Where commuters walk through remnants of an ancient Greek necropolis.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

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

The oldest standing Byzantine church in Athens is tucked within a monastery in the middle of an upscale shopping district.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

This ancient hydrological marvel is now the base of a modern outdoor cinema.