Macabre astrological automaton clock dating to the late 1400s.

The topiary maze at the Habsburg hunting lodge.

Macabre museum devoted to historical Viennese murders.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The beautiful baroque library of the Hapsburg empire.

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

Op-art architecture designed for happiness.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

On Japan's Tashirojima Island, cats are king.

Cat art as far as the eye can see.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The hallucinogenic center of the ancient world.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

Goethe's "Faust" was inspired by these rock formations known as the "Devil's Pulpit" and "Witches' Altar."

Terrifying derelict military hospital once housed a recuperating Hitler.

Come stay at a live-in art installation.

The ancient tomb acts as a calendar that keeps perfect time.

An Austrian house of bones filled with hundreds of intricately painted skulls.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

A mythically themed self-built sculpture park.

A fernery hidden by neglect is uncovered, and an ancient specimen along with it.

A 18th century graveyard and its astonishing cortege of macabre iconography.