This Ottoman-era church is hidden amid a busy tourist area.

An important example of architectural history slowly decays in the city center.

This building displays the scars of the “Dekemvriana,” a dark time in modern Greek history.

This Byzantine Church was moved from Paris to Athens block by block.

The heads and relics of 179 monks slaughtered by pirates are on display within this Ceonobic Monastery.

One of the most photographed locations in the entire city.

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

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

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

This once architecturally advanced housing complex is now a haven for squatters that still bears the scars of war.

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

Built by the Ancient Greeks, this chariot bridge is still in use today.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

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

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

This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

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

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

An abandoned Byzantine fortress and notorious prison.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

An autonomous republic of Orthodox monks.

The ruined doorway is a portal to the building's turbulent and torturous past.

Ancient Greek oracle of the dead.