Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

The world's first interactive human body museum also serves as a chair for a giant orange man.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Colorful and chaotic stacked hotel in North Holland.

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

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.

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

A floating cat sanctuary on an Amsterdam canal.

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

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

Renaissance villa and gardens complete with a tormented colossus.

Beloved children's TV characters freckle the German city's streets.

This monolithic slab of art metal crowns a German slag heap.

A century-long search for a church that was never there.

A series of haunting wooden totems are hidden in the woods surrounding a German environmental center.

An ancient pagan site swirling with legends in the foothills of Franconian Switzerland.

An engineering wonder at Pillnitz Castle protects a precious 230-year-old flowering shrub.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

A German town is growing a building out of trees.

This wooden hotel is a temple to German sustainability and forest conservation.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.