Each time a baby is born in Ghent, these streetlights flash in silent celebration.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This one has sailed five times as far as Sir Francis Drake's famous ship.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

This coffee shop lies hidden beneath a historic church.

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

A collection dedicated to the treatment of disease, held in London's oldest hospital.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This hilarious English intersection is an automotive whirlpool.

Macabre museum devoted to historical Viennese murders.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

The first modernist church in Europe.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

This museum is dedicated to the little known ancient Roman history of Vienna.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

A museum in the childhood house of a medical pioneer.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.