Banksy's image of a naked man dangling from the window of a sex health clinic.

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

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

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

A dead saint, a deadly poison, and a mysterious holy ooze.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

Japanese island famous for poison gas and fluffy bunnies.

This towering statue of Jesus provided internet to the surrounding area.

People in Poland have rallied to save this unnatural desert from being reclaimed by the forest.

This chimerical bridge/tunnel appears to dead end right into the sea.

Japanese national treasure originally built in 593 CE.

A giant rooftop ride with unbeatable views of Matsuyama city, the nearby mountain ranges, and the Inland Sea.

A memorial to the beloved brown bear that served in the Polish army during World War II.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

Fast food feels like fine dining at this award-winning modern Georgian building.

The 43-mile route crosses through six islands with gorgeous views of the Seto Inland Sea.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

Not quite the menace it once was, this monster still has some chops.