Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

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

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Virgil's many-mouthed gateway to the underworld.

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

The ornate miniature mansions were built for Istanbul's feathered residents.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

Every inch of this chapel is covered in craftsmanship from across the world.

Haunting graffiti left by prisoners of the Spanish Inquisition.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

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

The celebrated eyesore created by starry-eyed sweethearts.

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

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

A sober museum housed in the original administrative building of one of Stalin's largest gulags.