This Russian bar-restaurant lies within a three-story underground bathhouse.

The little-known final resting place of one of America's greatest writers.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

Final resting place for the Triangle Shirtwaist fire’s unidentified victims.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

A sculptural commentary on capitalism pokes up from the East River.

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

A winding, cliffside stretch of road overlooking the Delaware River.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

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

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

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

An artist's cute bronze subway sculptures belie his violent artistic past.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

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

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

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

A popular European tradition makes its way to the states on one of America's most famous bridges.