Banksy gives themself artistic license with this piece of London street art.

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

This South London cemetery holds the remains of more than 15,000 people.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

Hidden beneath the streets of London is a secret subway that only carried mail.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

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

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

Large Hadron Collider and the Birthplace of World Wide Web.

Largest illuminated advertisement sign in the world.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

A surprisingly detailed model of one of the most powerful telescopes in the world.

World's largest barrel containing an inn.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

A steam powered train that runs on city streets.

Tucked away in a small German apartment is an eclectic museum devoted to West African vodun culture.

Shimmering sea-colored mosaics and Jesus statues cover this opulent building.

This futuristic German television spire is actually the world's largest digital clock.

The name doubles as an appropriate adjective for this small ossuary.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Tiny castle in the middle of the Rhine made you pay to pass.

This peculiar museum offers hands-on interaction with seemingly intangible principles of mathematics.

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

A German town is growing a building out of trees.