This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

This London marker celebrates the spot where the world-famous English band was founded.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

A roadside shrine to a late rock god only remains thanks to the unyielding efforts of his fans.

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

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

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

Pop culture has helped to keep this iconic British building from being destroyed.

This London plaque marks the spot where David Bowie's famous alien made his debut.

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

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

One part local history, 99 parts gruesome haunted house.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

The grave of the legendary "Bonzo" can often be seen covered in cymbals and drumsticks.

A 19th-century British industrialist built this Louis XIII–inspired chateau for his homesick French wife.

An ode to the classic piece of British street furniture.

A slightly surreal menagerie of structures that were lovingly spared from demolition and reconstructed in a field.

The world's smallest commercial theater is set up in what was once a urinal for Victorian men.