On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

The Tudor-style cottage in the middle of the square is not quite what it seems.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A tongue-in-cheek arcade where the games are based on everyday life.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Dictionary Johnson’s favorite feline.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

A preserved college lock-up that recalls a clubhouse approach to discipline.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

World's largest barrel containing an inn.

A public urinal so pretty, it was declared a national monument.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

A nomadic museum known for its art exhibitions about religion and faith.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Cat art as far as the eye can see.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Brussels' favorite peeing boy has a sister.

Cozy basement bar sports an inventory of over 2,000 beers.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.