This museum explores the history of the city's public transportation. Its collection includes the world's oldest preserved electric trolley car.

Fantastic views and thousands of love locks.

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

The amazing wonder cabinets of a very rich Austrian archbishop.

Once a black market electronics marketplace, now an otaku shopper's paradise.

A magical place that lets you play in and explore the world of Studio Ghibli.

A tongue-in-cheek arcade where the games are based on everyday life.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

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

This colorful statue welcomes visitors to a Barcelona park.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

This generously endowed statue once stood guard outside a Roman home.

A once-secret library of Freemason history in Catalonia.

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

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