This German art chapel is perfect for those who like their worship hard, modern, and utterly alien.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

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

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

A dream-like maze full of strange art, surreal spaces, and fantasy landscapes to get lost in.

This artificial ring island was built to hold cubic tons of polluted dirt.

A grassy pyramid named after a French battle.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

Underground hospital complex constructed by slave laborers during the German occupation of the Channel Islands.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.

A man throwing a giant severed hand towers over Antwerp’s main square.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Today this former Nazi concentration camp stands as a poignant memorial to the victims of fascism, and a warning from history.

One man's stunning attempt at eco-friendly living.

This decommissioned nuclear power plant offers tours of its Communist-era control room and reactor hall.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A surreal museum of extraordinary industrial objects.

A fascinating insight into daily life in the Eastern Bloc.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

An intricate and amazing house built by architect Karl Junker.

A two-inch thick solid brass rod that extends an astounding one kilometer straight into the earth.

Retirement home for giant obsolete machines.

This incredible stone temple is a monument to death, victory, and fantasy architecture.