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.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Abandoned silver mine strewn with wrecked and twisted structures.

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

The fairy tale castle of the "fairy-tale king."

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

Medicinal spa created with the discharge from a geothermal energy plant.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The legendary building that needed ghostly approval before being built.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

Dramatic river bend surrounds a natural red-rocked pedestal.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

An enormous, inside-out glass globe built in 1935.