This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

The final resting place to 300 Victorian-era pets hides inside the city park.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Eighty million natural history specimens call this gargantuan museum home.

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

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

This recessed garden protects thousands of mountain plants by creating its own microclimates.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

A market built atop boats is one of the few floating holiday markets in Europe.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

This natural hill rose another 130 feet from the debris and rubble added after World War II.

A ruined castle stands atop a hill surrounded by dragon lore.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

A historic steam train meanders along one of the most scenic rail routes in Germany's Black Forest.

A German town is growing a building out of trees.

An ancient pagan site swirling with legends in the foothills of Franconian Switzerland.

The stones of this formerly witch-obsessed castle were used to build a church.

The largest brick bridge in the world.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

This enchanting mountain plateau celebrates spooky local folklore.

You haven’t properly toured a winery until you’ve slept in an actual wine barrel.

A former ironworks that was the first UNESCO industrial site.