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.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

Eighty million natural history specimens call this gargantuan museum home.

An artistic tribute to the famous singer, just around the corner from where he was born.

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

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

Catacombs turned marketplace.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Thrilling and delicious complement to any dining experience.

This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

A surprisingly approachable statue of the man who dominated King Henry VIII's government.

A 550-square-meter micro-nation off the coast of Britain.

This stretch of beach is the site of a prime watering hole and a primate watchtower.

Centuries later, the victims of Great Britain's greatest hysteria are finally being remembered.

This surreal art house looks like a geometric version of a small chapel.