Where commuters walk through remnants of an ancient Greek necropolis.

This abandoned shopping arcade has new life as an art installation.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

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

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.

These caves secretly held national treasures during World War II.

A Byzantine-era church hidden in a wooded area below the Acropolis.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

The Lobotesis family has been baking some of the best savory pies in Athens since 1910.

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

Scars of this building's past life as a violent prison still cover its walls.

Preserved portions of Athens's ancient defenses are on display in a subterranean parking garage.

This Ottoman-era Greek Orthodox Church was built to honor Agia Pareskevi, a Christian saint.

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

This church was constructed on the site where St. Philip the Apostle preached to the ancient Athenians.

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

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

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