Christ's blood preserved in a Belgian town.

This miniature take on the Kremlin is one Dutch man's retirement project.

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

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

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

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

Mosaics created from 11 million cigar bands.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

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

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This basement museum explores the art and artistry of fascism.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The history and future of cannabis.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

One of the Leiden's oldest pubs is also the birthplace of the Heineken star.

A former plague hospital turned medical museum.

One of the great math minds of the 17th century is underfoot in this 900 year old Dutch church.

Once housed in the towers of this Gothic church, this 17th century clock still ticks today.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

The largest flower auction house in the world.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.