Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

Puppet theater and museum holding a collection of more than 300.

Started as a kitchen garden, now the second largest botanical garden in the world.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The world's largest collection of witchcraft regalia.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

This classic restaurant features a gorgeous mirror-clad room.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A slice of central Asia in the middle of Berlin.

A collection of abandoned typographic signs from Berlin and beyond.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

A fake Transylvanian castle houses a cathedral of antlers.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

Macabre astrological automaton clock dating to the late 1400s.

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 museum houses an imposing skeleton army comprised of creatures great and small.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.