Places hypnosis19 Wants to Go

Apartment complexes built into huge repurposed natural gas tanks.

Two stunning 17th-century libraries and a cabinet of curiosities.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A church of bones, decorated with 40,000 human skeletons.

Bohemian paradise covered in majestic forests.

Macabre astrological automaton clock dating to the late 1400s.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Massive installation of Europe's negative stereotypes.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

"The most colorful grottoes of the world.

This unique Renaissance castle was turned into a home for Nazi occultism.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

A former ironworks that was the first UNESCO industrial site.

Twisted buildings adorn the banks of the Rhine river.

A German apartment building hosting as many trees as human occupants.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Amöneburg is a town perched on top of a basalt mountain in the middle of an ancient meteor crater.

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

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

A beautifully eclectic mix of architectural styles.

Cat art as far as the eye can see.

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

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.