Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

One of the oldest masonic temples in the Netherlands, built in 1757.

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

The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

Where lovers tie birch branches into long-lived knots.

An idyllic hotel that gave its name to a supposed shadow government.

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

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

The world's largest collection of ships in bottles.

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

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

Remarkably preserved body discovered in a peat bog.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

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

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

This massive collection of taxidermy is full of specimens collected by missionaries during their international travels.

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

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

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

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

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

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

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

This disused VLF radio station is no longer in service but the surrounding town still bears its name.