A series of bronze circus performers spread throughout a Slovakian shopping center.

The largest fountain in Bratislava.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

Royals, rebels, and artists have all conversed at this grand 19th-century Viennese coffee house.

Handsomely crafted representations of our round planet.

Museum devoted to the artificial language of Esperanto.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

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

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

A set of outdoor stairs named in honor of a famous Austrian artist.

An ornate private entrance to the Vienna subway built specifically for the emperor.

London's smallest police station is barely the size of a phone booth.

A series of carved figures that scandalized British society.

Explore nearly 400 years of English middle-class home life.

A plaque marks the underground site of one of London's "lost rivers."

London's largest outsider art museum.

A commemorative plaque at the door pays tribute to an "American Patriot" known for his betrayal.

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

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

This ancient Egyptian obelisk still bears the wounds of World War I.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

Tourists who rely on a transit map to find the iconic Beatles location often end up in a far-off neighborhood.