The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

An abandoned Santa park is as far as this proposed theme park kingdom got toward completion.

An abandoned marine theme park has created a difficult experiment in dolphin rewilding.

Plagued by riots, celebrity injuries and a tragic death, this amusement park has been demolished.

Beijing's version of Disneyland, completely abandoned, mostly destroyed.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

A failed Russian themed village and amusement park in Niigata prefecture.

The grand marquee of this abandoned Hawaiian theater remembers the building's elegant past.

This former luxury resort in Kaua'i is now an abandoned relic.

Asbestos pit mine abandoned in 1983 is still dangerous thirty years later.

Anyone wanting to know what a dwarven mine sounds like need only visit the tunnels of this New Zealand artillery compound.

Once the path of a railway tunnel, now home to thousands of glowing insects.

The abandoned hospital whose elaborate ghost stories cover up the dirty truth - an uneventful sanitation issue and other mundane reasons for its demise.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

This abandoned boat was left in place thanks to its rotting beauty.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

The remains of a 12th-century chapter house in Golden Gate Park.

Golden Gate Park's historic collection of plants.

Furniture tries to escape an abandoned building in San Francisco.

Once the largest winery in the world, this castle-like building now sits abandoned on the San Pablo/San Francisco Bay shore.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.