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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The walls of the iconic dome are hollow and have a secret stairway.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This skewed English house has looked like it's going to fall over for centuries.

One of England's most famous churches hides a pair of little known architectural treasures.

Single runway interrupted by a busy road that cuts across its middle.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

A treasure trove of astronomical, mathematical, and scientific instruments at Cambridge University.

A complicated contraption for telling time by the moon.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

The birthplace of most all of Europe's space missions is here on the Dutch coast.

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.