Now overgrown, these anti-tank barriers from World War II are sometimes called "dragon's teeth."

A modern museum dedicated to the fairytales and dictionary work of the Brothers Grimm.

Tiny memorials honor individual victims of the Holocaust.

A fearsome dragon clings to a corner of Munich's city hall.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

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

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

This old residential building was once the largest flour mill in the world.

A fence constructed completely of skis on Monroe Street.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

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

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.