An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The footprint of a frustrated devil in Munich's Cathedral.

One man's personal kunstkammer, museum and shop.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

A stairway to heaven, or to nowhere at all.

Mountain where Jesus was first tempted by the Devil.

This cemetery features modernist statues as strange as its name.

A Spanish forest is filled with mysterious stone carvings.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

A site where “the ravages of the war are more striking…than any other place in contemporary Spain.”

A beautiful bamboo trail tucked in this famous Japanese Shrine.

The quintessential Japanese rock garden has existed for more than 500 years.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

This subterranean necropolis holds three floors of antler-dug grave caves.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.