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

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

The ruins of an ancient fortification wall sit in front of and underneath this boutique hotel.

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.

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

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

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

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

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

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

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.

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

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

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

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

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

Where commuters walk through remnants of an ancient Greek necropolis.

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

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

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

Large collection from the 3rd millennium BCE.

A sharp sculpture made of thousands of pieces of jagged glass.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.