Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

A celebrated bandstand at the center of what was once the worst slum in London.

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

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

A cluttered and astounding collection of antiquities and curiosities.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This sprawling, Brutalist estate feels like a city within a city.

This grubby wall is said to be one of the Earth's esoteric energy centers.

Real bones which are said to have belonged to a Polish dragon.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

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

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

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Look up from the busy streets to discover how time is kept!

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Metro station with a claim to rock n' roll fame.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.