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.

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

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

The bridges portrayed on EU currency aren't fictional anymore.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

A giant floating rubber duck-bunny painted with a different design every year.

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

Repurposed space and ultra-modern construction collide to create this geometric wooden spectacle.

A unique work of automotive art calls this shopping center home.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

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

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

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

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

A statue of the second-tallest Dutchman in history.

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

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

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

Two gravestones clasp hands over the religious divide.

This bronze statue of Martin Luther King was placed in the park without permission.