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

Historic Greenpoint theater, turned roller disco, now housing a chain pharmacy store.

A big shiny gin and whiskey distillery in Sunset Park.

The famous facade of Grand Central Terminal hides a regulation tennis court, and it's not the first one.

Collect holy water from a Bronx grotto.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

An unconventional space for art and science housed in a massive old warehouse.

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

A cargo of beautiful music.

A small part of lower Manhattan is actually made from a bit of England.

A burial ground of rusting metal grave markers.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

This translucent sculpture represents a quintessential component of New York City's skyline.

A former connection to City Island, it has been abandoned since the 1930s.

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

Micro-distillery in Brooklyn produces New York’s first homemade rum since Prohibition.

A Brooklyn exhibit all about Nancy Kerrigan and Tonya Harding in 1994.

There's a piece of New York City transportation history hidden in plain sight at a Manhattan subway stop.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

Two community gardens under the elevated subway lines on a very busy commercial strip in Bushwick.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.