Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

A stately palace has been converted into the world's largest cannabis museum.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This semi-secret storybook hedge maze is also the oldest garden in the city.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

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

Countless grotesque faces stare out from this eerie Prague art wall.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

Walk through Czech history in Prague's largest graveyard.

A Jenga-style cylindrical tower of books that appears to go on forever.

An eerie, derelict amusement park in Berlin.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

When German-Iraqi relations broke down, this embassy was vacated post haste.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

A kaleidoscopic warehouse-maze of handmade neon signs.

A student driver's nightmare.