What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

The small burial plot is located in a mall parking lot.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

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

The oldest continuously inhabited street in America.

This one-man homegrown eatery may be the world's most exclusive restaurant with its five-year waiting list.

An abandoned dollhouse factory.

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

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

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

The largest known open fault in the United States is basically a giant natural refrigerator.

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

Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

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

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

A carriage house converted into what resembles an 11th-century English manor house

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

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

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

The former home of a disgraced local priest now hosts a mysterious secret supper club.

This Central New York ghost town was once a prosperous railroad community.

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