A church dedicated to the Mexican skeleton saint.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

A long-closed church turned into a saintly skate park.

This small electronics museum is full of whirring, humming, clicking ephemera.

Once the world's biggest telescope, it was later used as a coat hanger by a famous Dutch astronomer.

Most complete collection of Gymnosperms in the world.

The world's largest private telescope collection hides in a secret wing of a Dutch auto museum.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

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

The history of sea-faring refuse and disaster is on cramped display in this Netherlands folk museum.

A market built atop boats is one of the few floating holiday markets in Europe.

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

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

Home to the world's oldest functioning orrery.

Strange secondhand shop showcasing taxidermy and oddies

Unchanged for centuries, this medieval library keeps its books in chains.

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

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

A UFO-shaped event building originally intended to be a science museum showcasing the future.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

A unique collection of gilded age mechanical pianos.