This century-old street sign is a forgotten remnant of the old city.

A 16th-century horror show built in a lovely Italian garden.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

While most bridges allow roads to pass over water, this one allows water to pass over a road.

Most complete collection of Gymnosperms in the world.

For over 100 years the most important physicists in the world have autographed this university wall.

Walk through the history of a Dutch truck manufacturer, from 1928 to today.

Wind power station for making famous Ketel One vodka.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

A market built atop boats is one of the few floating holiday markets in Europe.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

The world's only museum devoted to the wonders of fluorescence.

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

To enter this cluttered-yet-cozy sanctum of Belgian brews, ring the bell and tell the gatekeepers you've come “to taste beer.”

A collection of weird and wonderful art fills a former houseplant nursery.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

Dummies recreate radiological discoveries from history.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

One of the deepest indoor swimming pools in the world.

Meet the bronze beloved pet to a family of famous peeing statues.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.