Slyly buy a shake in the Parker Meridien lobby.

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

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

A hidden "place of interment for gentlemen."

Plot your trip through the city on the sidewalk.

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

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Mysterious 500-year-old tapestries depict a unicorn hunt.

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

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

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

New York City's smallest piece of private property.

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

Become a prohibition rebel.

Elevated freight railway turned wildly successful urban park.

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

Try not to get slimed in Tribeca.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.