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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Notorious artist squat renovated into legal studios.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A toxic ghost town sitting atop a massive coal fire.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

A one-of-a-kind collection of a unique medium.

The rocks in this arid basin leave trails of movement behind them.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Most-visited and most-photographed slot canyon in the American Southwest.

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

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

An artsy hidden staircase leads to breathtaking views of San Francisco.

Rippling sand dunes frozen in the Arizona rock.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

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

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

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

A huge musical instrument played by the ocean.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

One of the best places to see feral Colonial Spanish Mustangs in the United States.