An industrial relic is now one of Europe's most staggering art spaces.

No need to strap in for a “ride” on this walkable roller coaster.

This mine is home to the largest man-made hole in Europe.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Caves famous for the dragon-slaying saint who lived there.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The private train station King Leopold II built for the Belgian royal family now lies abandoned.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

For the holidays, the tallest broadcasting tower in the Netherlands turns into one of the world's tallest Christmas trees.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

This giant wire frame man sculpture is crouched in contemplation.

Building Men of War and Indiamen from Holland's Golden Age.

Rejoice at Amsterdam's ‘pop temple,’ a former church reborn as a raucous music venue.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

A beautifully eclectic mix of architectural styles.

A unique work of automotive art calls this shopping center home.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

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

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

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

The world’s largest street art museum.