Where commuters walk through remnants of an ancient Greek necropolis.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A pre-war mansion that survived the modernization of Athens.

A martyred saint built a nunnery and school for girls here known as the "Parthenon."

The second oldest surviving house in Athens was owned by an Irish General.

These ancient ruins hide in plain sight next to a dessert shop.

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

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

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

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

The home of Greece’s national poet sits crumbling in the middle of a popular tourist district.

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

The Acropolis house that became Modern Greece’s first university.

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

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

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

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

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

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

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

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

The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

The most visited, and possibly most controversial, museum in Germany.

One of the world's heaviest musical instruments towers within a popular urban park.