The oldest tofu shop in the United States is a firm favorite with locals.

This charmingly homemade amusement park has been growing for 40 years.

Have a steam and some blini at this cafe in a century-old bathhouse.

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

An annual extravaganza of Broadway theater memorabilia.

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

“Invented in Key West, Perfected in Brooklyn."

The famous author's cottage hideaway.

One of the last Jazz Age "Wonder Theaters" in New York City.

An unassuming secret door once led to a legendary watering hole.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Nikola Tesla's former home contains an homage hidden from plain sight.

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

A very classy 1920s-era bar right in Grand Central Station.

A hip bar decorated with walls of golden skulls.

A hands-on traveling collection of the innovative devices of yesteryear.

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

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

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

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

A crumbling hospital from the 1850s on Roosevelt Island.