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

This abandoned subway station can still be seen on regular commuter trips.

The most confusing clock in New York.

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

This impressive mansion in Vinegar Hill has some mysterious details in its architecture.

Walk into the 19th century without leaving Brooklyn.

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

The competition: breathe deeply as long as you can.

A cargo of beautiful music.

A popular European tradition makes its way to the states on one of America's most famous bridges.

A partially hidden wall graffitied by spectators of the 1976 Bicentennial, recently rediscovered.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

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

Discover the taste of mold.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

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

Phil Mortillaro uses keys to bring art back to the Village.

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