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

This cemetery features modernist statues as strange as its name.

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

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

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

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

The history and future of cannabis.

Museum preserving torture methods from the past.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Amsterdam's Red Light District leaves little to the imagination.

Ruins of a German Castle on top of a towering stone pillar.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The fairy tale castle of the "fairy-tale king."

An eerie, derelict amusement park in Berlin.