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.

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

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

A monumental golden thumb rises as an iconic homage to Nouveau Réalisme, bold in scale and unapologetic in spirit.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

This 19th-century fountain features sculptures of little gnomes that help with chores.

A rare cold-water geyser that bubbles to life every half hour.

A neo-gothic statue modeled on German Emperor Kaiser Wilhelm II, which had its distinctive mustache shaved off by Nazis in World War II.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

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

Below the altar in Saint-Willibrord Basilica rests the mortal remains of Luxembourg's patron saint.

Thousands of flowers create enchanting pink tunnels over the city streets.

Legendary site where an evil bishop was devoured by rodents.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

This massive, ancient stone was disassembled and then put back together again.

Rural churches in the middle of nowhere with religious frescoes by famous artist.

An actor's tribute to a former mentor.

The oldest experimental corn field in America is still creating better ways to grow crops.

Fragments of a massive unfinished sculpture sit near the main quad of the University of Illinois.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.