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

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

This bookstore serves recipes from the cookbooks on sale.

This pub boasts a curious history and may have inspired a Dickens character.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

A museum wholly devoted to juvenescence.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

London's largest outsider art museum.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The remains of Crystal Palace Great Exhibition of 1851.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

This hidden green space is the city's second largest conservatory.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Romania's triumphal arch looks out over Bucharest.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

Keep a lookout for replicas of this wooden soldier hiding in plain sight all around town.

A chaotic collection of coin-operated slot machines designed to delight and disturb in equal measure.