This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

Join in a Seance at the Swedenborgian Church.

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

This was one of the first (and last) university-built and operated nuclear reactors.

The first piece of public art dedicated to LGBT rights.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

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

Walk over a 150 year old manhole.

One of the oldest Jewish cemeteries in the city, it is now overgrown with an urban forest.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

The most confusing clock in New York.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

A modern zoetrope on the New York City subway.

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.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

There must be a pun in this haystack somewhere...

Holding the most bodies of any cemetery in the United States.

Relics given to a Manhattan church to avoid seizure by the Italian government.

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Unrepaired walls from a 1920 anarchist bomb attack.

New York City's only preserved family home from the 19th century.

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

Historical figures from New York City's Catholic community reside in Midtown.