Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

A small cell adjacent to this church was once the bedroom for a renowned saint.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

This is the oldest Roman-made bridge in the city still existing in its original state.

This curious, round temple is the oldest still-standing marble building in Rome.

This ancient market is often referred to as the oldest shopping mall in the world.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

2300-year-old Roman road connecting the empire.

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

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The video game-themed street art first popped up in the French city.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

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

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.