The huge golden reliquary of a testicle-smashing saint.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

An unsettling shrine dedicated to the ravenous beast that prowled 18th-century France.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

A chapel on a volcanic core, marking the end of a successful journey.

A beautiful and classically designed villa, with an hourly infestation of monsters.

This bridge was constructed from the rubble of the infamous Bastille.

This Parisian gem is one of the most incredible ethnographic museums in the world.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

Hundreds of hidden passageways weave through the old quarters of Lyon.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A misnamed well, with a deep dark past.

A Serbian church lit by chandeliers made of weapons.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A striking symbol of the Bulgarian capital.

This historic black and white monastery is one of Bulgaria's architectural jewels.