A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

It is still illegal to "quarrel" at this unlikely urban oasis built on top of an electrical substation.

A unique tribute to the millions of animals who served and died for the British military.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

There's an exclusive Beefeaters pub hidden in the Tower of London.

The broken skateboards that became a poignant memorial to a murdered skater.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

This one has sailed five times as far as Sir Francis Drake's famous ship.

This 1920s Dutch barge is now a floating bookstore.

Ship-sized kinetic sculptural fantasy.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A network of concealed passageways lies within a busy London Underground station.