The underground sanctuary of a mysterious ancient cult.

The middle finger of modernity.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The yawning maw of this pagan visage is said to bite off the hands of liars.

An alchemist's "magic door" stands in the middle of a Roman park.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

A submerged archeological park still holds the wonders of a Roman Sodom.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Architectureal fantasy quarter of Rome.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

A 16th-century horror show built in a lovely Italian garden.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A modest statue dedicated to Pierre Bayle, a young military drummer who willingly fought and died for his beloved France.

A journey through the history of medicine throughout the centuries.

A young Gustave Eiffel assisted in the construction of this skinny metal observation tower.

A gruesome combat between a hunter and a furious momma bear.

The history of knife-making in this French city is explored through this museum.

Inaugurated in 1921, this is one of many statues in France dedicated to the people who died during World War I for their country.

The formerly unmarked grave of the noted Black American painter, who was a friend to James Baldwin.

A giant silver apple a day keeps the perils of capitalism away.

On the shores of Lake Laffrey, a monument commemorating one of Napoleon Bonaparte's most compelling victories.