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

An accidentally hidden library containing the ephemeral history of New York.

Prove you deserve to be fed by Kenny Shopsin.

Slyly buy a shake in the Parker Meridien lobby.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

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

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

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

A legendary speakeasy bookstore returns from the brink.

From scholastic to sepulchral - now under reconstruction.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

One of only two commuter aerial tramways in the United States.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A hip bar decorated with walls of golden skulls.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

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

A dilapidated dock tells the story of Titanic's missed arrival.

A massive Montreal stadium that has seen nothing but trouble since its inception.