A UFO-shaped event building originally intended to be a science museum showcasing the future.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

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

A 30-foot-high stream of chocolate flows continuously at the Lindt Home of Chocolate.

A unique bridge with an equally unique view.

The fairy tale castle of the "fairy-tale king."

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Liechtenstein's royal family calls this medieval alpine castle home.

Browse through a century of this principality's first popular export.

Looking for a crappy restaurant? Pull up a porcelain bowl and enjoy your meal.

A little sculpture with a large wardrobe.

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

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 Dutch art piece became a Russian icon.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

The world's first interactive human body museum also serves as a chair for a giant orange man.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

Indents in the pavement are all that remain from a grisly death machine in Paris.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.