This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

The 20-mile causeway that separates the Netherlands from the sea.

The birthplace of most all of Europe's space missions is here on the Dutch coast.

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

The largest flower auction house in the world.

Go inside a revolutionary, cage-less zoo where 35 species live and some of them roam free alongside their human visitors.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

A grassy pyramid named after a French battle.

Local folklore claims that this wall was not built for defense, but to provide labor during a time of famine.

A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.

A Baroque mansion with ties to legendary magicians and alchemists.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

Be(w)ar(e) the moat around this historic Czech castle.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Steadily reminding Czechia of its past.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

Monument to a suicide protesting the Soviet invasion.

This spooky statue sits outside a famous Prague theater.

Looming communist pillar with a Czech twist.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This automated sculpture of two men peeing will spell out text messages with their micturition.