A winding, cliffside stretch of road overlooking the Delaware River.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

Home on the Hillside, and home of the first breakfast cereal.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

This old cement mine has been used as everything from a mushroom farm to a recording studio.

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

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

A natural gas leak provides a flickering flame beneath a waterfall.

A once grand hotel is being retaken by the wilderness it once capitalized on.

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

Collapsing castle on the Hudson river was once the storage site of military surplus business.

An abandoned castle owned and ignored by Masons carries a cursed history.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Try not to get slimed in Tribeca.

Former hotel turned into haunted playground.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

The world's third-largest scale model of the planets.

The history of funerals and funerary customs.

A six-story-tall golden pyramid, surrounded by a moat.