This conical hill was built as a testing ground for an engineer known as the Glider King.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

Art and a pun, all in one.

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

Started as a kitchen garden, now the second largest botanical garden in the world.

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

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

An eerie, derelict amusement park in Berlin.

This former guildhall with a bacon-like exterior is now home to a museum covering 600 years of Antwerp's musical history.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

This small corner bar is home to a rare 1930s dance organ that still plays tunes for one Euro.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

To enter this cluttered-yet-cozy sanctum of Belgian brews, ring the bell and tell the gatekeepers you've come “to taste beer.”

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

Sail in for a ’dam good slice.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.