A recently abandoned psych ward at the end of Sanatorium Road.

This former asylum for Black Americans is haunted by its history of violence and racism.

Destructive children, start your engines.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Toxic waste disaster that founded the Superfund program.

A mysterious echo seems to defy the laws of acoustics.

Little Red Lighthouse under the George Washington Bridge.

Records of the dead describe the myriad odd ways people used to die.

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

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

New York City's only radical feminist independent bookstore.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

Feral cats keeping the rodent population at bay all across Greenpoint waterfront.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

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

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

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

A no-frills cinephile haven known for showing offbeat, underseen films.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.