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

The largest 19th century panorama in the world still in-situ.

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

A 1:20 scale piece of the Netherlands commissioned by a queen lets visitors take a stroll as giants.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”

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

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

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

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

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

A grassy pyramid named after a French battle.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

This unattributed sculpture in Amsterdam is hiding in plain sight.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

A beautifully eclectic mix of architectural styles.

A beautiful maze marks where three countries meet.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Peek through a transparent pyramid and drink in the mountain made of books.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A curious collection dedicated to human and animal anatomy and pathology.

The world's only museum devoted to the wonders of fluorescence.