A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

An aeronautical-themed resort forged around rusty relics from the golden age of air travel.

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

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

Brought to you by the makers of fiberglass dinosaurs.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

A dilapidated psychiatric facility on the outskirts of Milan where electroconvulsive therapy was developed and Napoleon once lived.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

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

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

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

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

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

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

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

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

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

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

France's most famous cemetery, with some of its most curious tombs.