One of the largest amphitheaters in Europe is a former Nazi German gathering place that still stands today.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

France's high-tech, future-themed amusement park.

An underground city of ancient quarry tunnels hid thousands of Allied soldiers in WWI.

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

This little-known relic crypt holds stolen parts of a Roman Empress.

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

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

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

The first green space constructed on an elevated viaduct.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

How did a French journalist’s grave become the sexiest statue in the cemetery?

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

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

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

This museum houses an imposing skeleton army comprised of creatures great and small.

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