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

Two monstrous warehouses. One now holds priceless works of art, the other stands abandoned and dilapidated.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

A Ukrainian church canteen doles out hearty fare in an East Village basement.

Come for the waffles, stay for more waffles.

Come for the pastrami, stay for the million-dollar art.

Slyly buy a shake in the Parker Meridien lobby.

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

This abandoned subway station can still be seen on regular commuter trips.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

This small New York museum celebrates the mountainous artwork of a Russian mystic.

Dine on old-school red sauce fare at a former mob hang out and film set for The Sopranos.

Slurp sesame noodles at the third-generation family-run establishment that invented them.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

For 20 years, local pumpkins have met their fate on the iron fence surrounding this Cobble Hill home.

This preserved wilderness hides the remains of a colonial grain mill used to feed George Washington's troops.

Hidden behind a gate in Greenwich Village is a little farmhouse that once served as the writing studio of a bestselling author.

Brooklyn's Barkaloo Cemetery is the resting place of a scant two bodies.

There are owls with glowing eyes in Herald Square.

Wine bottle sculpture with a ship's stateroom inside.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.