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

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

An abandoned subway tunnel that could have reinvigorated Staten Island still lies somewhere beneath this Brooklyn park.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

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

The 28-foot granite map plots the locations of 40 theaters in New York City.

A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

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

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

This New York holdover was built to provide housing for shopgirls and still does not allow men above the lobby.

The last slot car racing arcade in Brooklyn is keeping the dream of speedy little autos alive.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Final resting place for the Triangle Shirtwaist fire’s unidentified victims.

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

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

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

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

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

Walk into the 19th century without leaving Brooklyn.