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

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

This memorial museum chronicles the apocalyptic destruction of the First World War.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

Enter the cabin of a life-sized Hindenburg replica.

Go surfing on this urban wave, "hacked" by local surfers.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

It's good luck to be mocked by this monkey.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

The 1852 novel "Uncle Tom's Cabin" lends its name to a subway station, a street, and several shops on the edge of Berlin.

This curious sculpture represents the perseverance needed to take to the skies.

One of the world's heaviest musical instruments towers within a popular urban park.

Metro station with a claim to rock n' roll fame.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

A monument to the man who almost killed Hitler.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

Decrepit Victorian public lift is a white-knuckle ride.

This slice of 1960s Danish modernism does not conform to the Oxford college stereotypes.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."