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

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

The mummified relics of an American missionary.

Salute the leader of the proletariat.

The notorious headquarters of a corrupt political machine.

Ruins of a once-prized railroad station in New York.

A Manhattan Episcopal church with an eerie underground crypt.

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

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Discover the taste of mold.

The oldest living tree in Manhattan comes shrouded in sinister legend.

The birthplace of America's favorite fruit-flavored mystery dessert.

A curious friendship between two inanimate ladies.

Haven for steampunks.

A posh members-only club with a literally dramatic history.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

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

Phil Mortillaro uses keys to bring art back to the Village.

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

Little Red Lighthouse under the George Washington Bridge.