A Beaux-Arts triumph set to become Ford's innovation campus

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

This once luxurious Catskills resort is now a haunting ruin.

Abandoned anti-ballistic missile base.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

This unique Renaissance castle was turned into a home for Nazi occultism.

This tangled English forest looks like something right out of a fairytale.

A former French military respite turned jungle tourism hotspot.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

Commonly referred to as the most photographed Victorian home in the United States.

An original apothecary from 1792.

A corkscrew-shaped barn in Ireland.

The first island in the world designated a light-pollution-free astronomical observation point.

This foolish Victorian sea fort was converted to a deluxe hotel.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

A spiritual vortex among the red rocks in Sedona.

Sister store to the Echo Park Time Travel Store.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

An abandoned, unfinished mansion on grounds strewn with lava rocks.