This amazingly preserved Gold Rush town is a historian's dream.

This abandoned prison castle has become an imposing gallery of graffiti art.

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

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

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

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

During the 1990's nearly all of the world's LSD is thought to have come from the operators of the lab once located in this missile silo.

See just what life was like in a 19th-century prospecting town.

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

The beauty of urban decay, hiding some dark secrets.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

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

A Saint Nicholas-themed ghost town in the Mojave desert.

Four-story concrete hotel never opened to customers.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

This seaside Scottish holiday rental lets you live out your bookselling dreams.

Inside this community-run museum, visitors are treated to the history of toys and games.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

An 18th-century home taken over by antique automatons and musical machines (Closed).