A hidden "place of interment for gentlemen."

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

The greatest real estate coup of all time.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

The oldest surviving synagogue in New York City is now a soaring art space.

One kilometer of thick brass rod laid out before your eyes.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Three-story slide through the New Museum.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A posh members-only club with a literally dramatic history.

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.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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