Abandoned medieval hill town.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This home is decked out like a psychedelic explosion of colors and bowling balls.

The world's largest collection of witchcraft regalia.

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

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

A collection of full-size movie monsters opened to the public.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A museum of magic with a Sadist past.

Terrifying derelict military hospital once housed a recuperating Hitler.

An eerie, derelict amusement park in Berlin.

Haunted tuberculosis hospital built by the patients.

This half-finished "city of toys" was almost Italy's own Las Vegas.

The world's only museum devoted to the wonders of fluorescence.

Avant garde house of Pierre Cardin on the Cote d’Azur.

A madman's personal garden filled with 1,000 sculpted heads.

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

Giant, pink stuffed rabbit on an Italian mountain.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

Walk through a fairytale in Tuscany.

Renaissance villa and gardens complete with a tormented colossus.

The oldest operating pharmacy in the world features 800-year-old recipes.

Geothermal waterfalls in Tuscany.

A 16th-century horror show built in a lovely Italian garden.