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

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

A modern reimagining of a medieval city gate.

This Dutch art piece became a Russian icon.

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

Science meets wall art to highlight the beauty of famous mathematical equations.

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

An ancient Egyptian temple sits within a modern European museum.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

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

A luxury hotel housed in a former 15th century Gothic church.

This historical Netherlands fortress still bears the marks of its single siege.

The last of Amsterdam's original sea level markers remaining in place.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

Visit the ancient, mysterious Roman catacombs ... in the Netherlands.

A set of seven houses, each built in a style that represents a European country.

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

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

Incredible labyrinth of man made caves.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.