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

The commemorative stone column conceals a secret laboratory.

The Great Fire of London and the regulation of one-way streets both started in this alley.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

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

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

The world’s largest Masonic temple was saved by the White Stripes.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This bridge was constructed from the rubble of the infamous Bastille.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A series of playful yellow penguins share a serious message about the environment.

Macabre astrological automaton clock dating to the late 1400s.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

This spooky statue sits outside a famous Prague theater.

A mocking tribute to the past and modern leadership of Prague.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

An essential stop before plundering, BYO Cutlass.

Get a taste of Chamorro cuisine, family-style, at this popular restaurant.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.