A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law.

This functional solar system model was inspired by the famous Eisinga Planetarium.

Scale model of St. Peter's Cathedral (Rome) in the middle of a small Dutch town.

This giant wire frame man sculpture is crouched in contemplation.

The world's largest collection of ships in bottles.

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

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

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

Remarkably preserved body discovered in a peat bog.

The world's first floating farm is staffed by one human, three robots, and 35 cows.

This steel frame is a skeletal mirage of a lost 16th-century stone building.

A preserved building where the dead were once watched for signs of life.

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

A monument hidden in the woods built in 1938 as a getaway for a Dutch museum curator.

Yup, that's a 330-foot yacht passing over the highway.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

Europe's official "zero-level," the equator of elevation.

Unchanged for centuries, this medieval library keeps its books in chains.

A dream-like maze full of strange art, surreal spaces, and fantasy landscapes to get lost in.

The tallest waterfall in the Netherlands is a lovely, stepped feature that is only 50 feet tall.

A miniature city, once ruled by the Queen of the Netherlands.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

Incredible labyrinth of man made caves.