The tomb of a hard traveling saint is constantly covered in shoes as offerings to heal disabled youth.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

This statue honors the thousands of Allied avians that served and died for France during World War I.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

An astounding collection of taxidermy, fossils, skeletons, and even a few strange live beasts.

When you're a great Russian Tsar, even your vomit gets a statue.

This museum is housed in an unassuming building that witnessed one of the most daring feats of satire in modern history.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

The curious underground history of keeping Paris clean.

This bronze statue commemorates the life of the first Black American to publish a novel in the United States.

A popular 19th-century natural landmark is now hidden within a sprawling forest.

This unattributed sculpture in Amsterdam is hiding in plain sight.

This plaque marks the former home of one of the first women physicians in the Netherlands.

A set of seven houses, each built in a style that represents a European country.

This vast collection of smoking pipes from across the world spans centuries.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

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

The first crematorium in the Netherlands.

The ruins of a medieval castle that once belonged to one of the most powerful families in the Netherlands.