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

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

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

Inside this Krakow church, an explosion of psychedelic color.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

Learn the fine art of making a centuries-old treat at this hands-on food museum.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

Special benches that play Chopin's music are scattered throughout his native city.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

These unique toilets feature transparent glass covered in PDLC film.

A bibliophile's heaven that contains hundreds of bookstores, offering over a third of secondhand books for sale in Tokyo.

A flight of this "ghost staircase" has 40 steps on the way up, but only 39 steps on the way down.

This ordinary set of steps is a must-see destination for fans of a certain romantic anime.

The freshest fish here are the ones you catch yourself.

Once a black market electronics marketplace, now an otaku shopper's paradise.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

Not quite the menace it once was, this monster still has some chops.

A 20-meter (65-foot) robot towers over Tokyo Bay.