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

Love, knishes, and best wishes from this legendary Lower East Side bakery.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

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

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

Nondescript elevator doors open to reveal a stunning, surreal world.

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

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

Read a book next to a Midtown waterfall.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A semi-scholarly approach to sex.

Elevated freight railway turned wildly successful urban park.

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

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

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

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

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

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

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