A B-17 bomber stands as a memorial to the residents of Tulare County who served in World War II.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Murals of the wild parties once held on the frozen River Thames.

An artistic tribute to the famous singer, just around the corner from where he was born.

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

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

Banksy gives themself artistic license with this piece of London street art.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

The television series' iconic giant foot was borrowed from this classical painting.

An important landmark in the history of algebraic logic.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

A stairway to heaven, or to nowhere at all.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A very classy 1920s-era bar right in Grand Central Station.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

It took over 100 years to decode this enigmatic epitaph for two buried brides.