A museum befitting the city responsible for supplying the majority of the world's LSD.

A trash dump made beautiful by nature's power.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The only theatre in the world constructed specifically for sound movement.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A psychedelic labyrinth on the San Francisco bay.

A huge musical instrument played by the ocean.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

The headquarters in Salem doubles as an occult art gallery.

Final resting place of one of the classic authors of horror literature.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Eighteen miniature death-scene dioramas.

Century-old shop, specializing in Occult products.