The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

There is nothing like a religious festival celebrated with blow-up sledgehammers.

Kitschy horror displays now fill the house where some very real serial killing took place.

One native village in Bali lays their dead at the foot of a holy tree whose natural fragrance seems to hide the stench as the bodies decompose.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Exotic, erotic, and esoteric, one artist's live-in Bali gallery brings a splash of color and madness to its surroundings.

Hindu temple of the dead home to hundreds of long-tailed macaques.

This museum promotes informed contraception by documenting its often secret past.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

A former plague hospital turned medical museum.

This former insane asylum now holds a pathological anatomy museum.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Macabre museum devoted to historical Viennese murders.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

The "dragon babies" of southeastern Europe.

This abandoned Slovenian military barracks has become a punky-political art squat.

Museum dedicated to the terror regimes of Hungary.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A museum in the childhood house of a medical pioneer.