A beer pipeline runs beneath Bruges.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Switzerland's oldest public observatory is an important part of the Zurich cityscape.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

You can still walk across this beautiful medieval bridge in Andorra.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

A particularly disconcerting tribute to Irish martyrs.

This stone in Lake Geneva was once the reference point used to determine altitude in Switzerland.

Since ancient times these picturesque springs have been providing bathers with healing waters.

This otherworldly French waterfall looks like its waters have turned to stone.

The oldest skyscraper of Europe now stands dwarfed by the surrounding structures.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

A modern reimagining of a medieval city gate.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

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

The grave of the famous painter is marked by a simple stone in the ground.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Every inch of this chapel is covered in craftsmanship from across the world.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

An abandoned shopping gallery built during Fascist Italy tucked in the center of Palermo.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.