This bronze statue of Martin Luther King was placed in the park without permission.

The last of Amsterdam's original sea level markers remaining in place.

A collection of biblical memorabilia.

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

This subterranean studio is filled with fascinating kinetic art.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

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

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

This basement museum explores the art and artistry of fascism.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

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

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.

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

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

The hidden lair of an alchemist rediscovered in a 2002 flood.

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

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This massive library holds what was once the largest book collection in the world.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The curios of pharmacist and collector Henry Wellcome.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.