Music boxes like you've never imagined.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

The cutest way to stay safe in traffic.

A massive explosion that leveled hundreds of buildings in the city of Leiden is remembered by a waterside plaque.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

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

A large measuring stick marks the lowest point of a country that is partially under sea level.

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

Atop this former dutch railway office sits an interstellar work of art.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

Underground attraction offering tours of the foundational ruins of a church nave that collapsed in 1674.

For years, the remains of this ancient Roman fortress were hidden under an orchard.

At the base of this tower, a plaque marks the original center point of the Netherlands.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

A grassy pyramid named after a French battle.

Made of 41,900 pieces of mosaic, it took two years to piece together this giant egg.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

A perfectly preserved hill village where the buildings are painted like white lace.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Ruins of a German Castle on top of a towering stone pillar.