A former plague hospital turned medical museum.

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

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

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

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.

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

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

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.

Cat art as far as the eye can see.

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

Museum preserving torture methods from the past.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

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

An open-air museum of 18th-century homes and churches transported from various villages in Southern Poland.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

The site of one of the largest prison escapes of World War II.

Special benches that play Chopin's music are scattered throughout his native city.

A delightful museum entirely dedicated to the tiny homes of dolls.

Come to this Polish museum to take a good, clean look at filth.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

One of the world's largest collections of medieval religious art.

The largest toy museum in Poland showcases Europe's history of childhood.