Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

A 12th-century Italian skirmish gets reenacted with 500,000 pounds of flying citrus.

An ancient artistic garden parlor full of hidden water wonders.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

Geothermal waterfalls in Tuscany.

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

A unique Tuscan hideaway acts as an art mecca as well as a hotel.

Unlock the secrets of the conjuring arts.

A posh members-only club with a literally dramatic history.

The saddest little diner in New York.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Cryptic messages embedded in the New York City sidewalk.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Down a stairway in the East Village, you could once read a plaque describing an alternate history of a fictional version of Manhattan.

Reverend Jen's unique museum/living room showcases her troll collection.

Prove you deserve to be fed by Kenny Shopsin.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.