At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

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

A tiny replica of the iconic London landmark hides on the side of the steel structure.

A beautifully eclectic mix of architectural styles.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

The last of Amsterdam's original sea level markers remaining in place.

This hidden garden boasts amazing views of Lyon.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

This ancient theater was once the home of fierce gladiatorial battles.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

This garden houses the remains of the ancient Greek port of Marseille.

Diego Rivera hid various people and symbols in his first large-scale mural project.

A Volkswagen Beetle decorated with millions of beads connects Mexico's past and future.

Beneath the most controversial monument in Mexico City is a cultural center that exhibits only digital art.

An extravagant 18th-century fountain built with bits of broken ceramic.

This extraordinary art museum is like a secret world on the edge of Mexico City.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.