Village situated on a narrow volcanic escarpment.

Turntable anonymously received orphans, alms, and groceries.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

Mountain where Jesus was first tempted by the Devil.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This cemetery features modernist statues as strange as its name.

A beautiful but toxic fountain of mercury.

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

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

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A mechanized clock where a man fights off a dragon, crab, and rooster.

Statue of death tucked in the University of Medicine courtyard.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

Paris' linguistic guide to the international language of, yes, love.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

London's smallest police station is barely the size of a phone booth.

A hands-off space for graffiti artists to hone and display their skills.