The world's largest collection of witchcraft regalia.

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

Staves, storm-calling, and of course, necropants.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

Museum preserving torture methods from the past.

This 1920s Dutch barge is now a floating bookstore.

The beautiful baroque library of the Hapsburg empire.

A Jenga-style cylindrical tower of books that appears to go on forever.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Medical and zoological curiosities for sale.

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

The sign at the garden gate reads: "These Plants Can Kill."

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A taste of the macabre Tokyo's ritzy shopping district.

The fairy tale castle of the "fairy-tale king."

The oldest stone house in Paris was built by its most famous alchemist.

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

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

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

On Japan's Tashirojima Island, cats are king.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."