An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

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

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

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

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

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The Tudor-style cottage in the middle of the square is not quite what it seems.

An ancient octagonal weather station named for the eight Greek gods of wind.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Monasteries on rock pillars, once accessible only by frayed ropes.

The hallucinogenic center of the ancient world.

A striking symbol of the Bulgarian capital.

This one-time health resort was used by aristocrats around the world.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.