Come for the waffles, stay for more waffles.

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

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

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

Finally, you don't have to be a pious Swedish seaman to relax like one.

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

Historical figures from New York City's Catholic community reside in Midtown.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

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

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

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

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

Dozens of striking Indian symbols cover the second-floor hallways of this rural courthouse.

Constructed from the ruins of a former glass factory, this park incorporates the old with the new.

The oldest remaining authentic Putt-Putt course that Donald Clayton created in Ohio.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

An abandoned asylum incorporated into a college campus.