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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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

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

A celebration of capitalism in Midtown.

The "Seinfeld" diner.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

A legendary speakeasy bookstore returns from the brink.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A hip bar decorated with walls of golden skulls.

A dilapidated dock tells the story of Titanic's missed arrival.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

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

A miniature rainforest is growing inside of a Midtown Manhattan office building.