This huge pile of volcanic boulders hides a stunning network of secret grottoes.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

A permanent exhibition honors Queen, which recorded seven albums at the casino-based studio, including “Under Pressure” with David Bowie.

This Swiss cemetery is reserved for people who died in climbing accidents.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

A historic observatory precariously perched at the "Top of Europe."

The second-highest train station in Europe.

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

This historical Netherlands fortress still bears the marks of its single siege.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

The cutest way to stay safe in traffic.

This small plaza encourages people diagnosed with cancer to never give up hope.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

You’ll feel like you’ve gone through the looking glass at this contemporary art museum filled with glass sculptures of every size, shape, and color.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

A giant open-air sculpture made of over 200 full-sized boats.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

France's most famous cemetery, with some of its most curious tombs.