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

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

A preserved portion of an ancient Athens barrier is displayed in a hotel basement.

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

This striking sculpture of Icarus honors Greece's fallen flyers.

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

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

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

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

Giant marble phalluses on the sacred island of antiquity.

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

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

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

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

A fascinating insight into daily life in the Eastern Bloc.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The first monument in Estonia that was made by an Estonian sculptor.

Rubbing the buttons along this statue's coat is considered good luck.

A unique sculpture calls the outside of this steakhouse home.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

This stoic bronze soldier stands as a symbol of Russian sacrifice or Soviet oppression, or maybe both.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.