An abandoned water sports stadium that has become a haven for graffiti and decay.

The ruins of a Florida miracle spring resort make it seem like a wonder that this was ever a health spa.

This isolated airport in the middle of the Everglades sees more alligators than planes.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

The only runway directly into the magic kingdom has been closed since 1972, but it still sings to you if you drive fast enough.

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

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

An enormous overgrown greenhouse teeming with graffiti and wildlife.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

Abandoned power station once home to a squatter community, now being developed into an arts center.

I fought the law and the precinct caved in.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

This small, hidden cove is home to abandoned boats.

A crumbling hospital from the 1850s on Roosevelt Island.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

This once luxurious Catskills resort is now a haunting ruin.

One of only two remaining Victorian-era greenhouses in New York.

Forgotten under the construction of a new urban roadway is a small, abandoned part of town.

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

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.