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

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

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

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

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

The smallest island in Manhattan is a manmade landfill dominated by a Buddhist peace arch.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

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

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

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

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

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

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.