Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

This failed condo development was reborn as a street art hub.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

A former zoo turned public park, where visitors can hang out in the old animal cages.

This mouldering abandoned mental hospital was once a center for progressive healing.

This abandoned factory on the Hudson River once churned out a million bricks a week.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

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

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

An eerie, decaying ghost town destined to fade into the forest.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

A popular swimming hole that hides one of America's most deadly diving spots.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

A unique sculpture park that specializes in the huge and bizarre.