This ancient statue of Dionysus lies unfinished and abandoned in one of Greece's oldest quarries.

The hallucinogenic center of the ancient world.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

The historic building has preserved human organs, unusual hexagrams, and scars from a political assassination.

This slumbering beast honors the Bavarian soldiers who died in Greece during a 19th-century typhoid outbreak.

This legendary city has been a tourist attraction for centuries.

What once sat in the world’s spotlight is today a largely disused ghost complex.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

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

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

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

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

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

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

This small chapel holds the mummified heart of one of the heroes of the Greek Revolution.

Large collection from the 3rd millennium BCE.

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

The oldest standing Byzantine church in Athens is tucked within a monastery in the middle of an upscale shopping district.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The final resting place of the "father of special effects."

The tomb of history's greatest potato promoter is surrounded by tubers.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.