Whether you're up or down, the Elevator Museum is worth a stop.

The only remaining Jewish congregation in Greenpoint.

Ornate "Renaissance Revival" style building.

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

Queen Anne style apartment house built in 1886.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

The oldest surviving synagogue in New York City is now a soaring art space.

A crumbling hospital from the 1850s on Roosevelt Island.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

Salute the leader of the proletariat.

This former crime corner has been turned into an eclectic community center.

A notorious punk house turned co-op.

A living archive of urban activism and space reclaimed.

Relics given to a Manhattan church to avoid seizure by the Italian government.

The greatest real estate coup of all time.

Down a stairway in the East Village, you could once read a plaque describing an alternate history of a fictional version of Manhattan.

Tucked in the back of this amazing antique store is an important piece of medical history.

During the holidays, a vintage subway train whisks New Yorkers back in time.

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

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Plot your trip through the city on the sidewalk.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.