Steadily reminding Czechia of its past.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

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

2300-year-old Roman road connecting the empire.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.

This giant geoglyph of mysterious origins is now the site of neo-pagan rituals.

A rare example of World War I trenches from the British front.

The vibrant buildings in the “capital of the comic strip” celebrate the art form that made it famous.

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

A garden of flying flowers.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

The highest point in Belgium is a staircase to nowhere.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

A Museum of Psychiatry in a still-operating mental institution.

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Most prolific publishing house in the 1600s open to the public.

These ruins reveal the remarkably intact layout of a Roman marketplace.

A giant bug impaled on a 75-foot-tall needle.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

Theme park featuring miniature replicas of European monuments.