This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

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

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

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

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

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Cold war icon and onetime "hole" in the iron curtain.

The fairy tale castle of the "fairy-tale king."

The personal charnel house of Anton Bruckner.

One of the best collections of wax anatomical models in the world.

It houses the remains of a 17th-century version of the Titanic.

This giant crucifix is like U2's Joshua Tree for Swedish death metal fans.

Old Danish castle immortalized in Shakespeare's Hamlet.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One thousand trees were planted in Norway to be used to print books a century from now.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

St George's Leprosy Museum depicts the gruesome afflictions of those suffering from the disease.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Home to three historic ships from the age of Vikings.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."