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

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

Sniff the Titan Arum's rotting flesh.

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.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

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

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

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

A legendary speakeasy bookstore returns from the brink.

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

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

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

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

The oldest operating pharmacy in the world features 800-year-old recipes.

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

This museum is rotten with a century of wax medical deformities.

Secret refuge and museum of the Duke of Florence.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The largest and most famous wax anatomical collection anywhere in the world.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.