A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

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."

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

Once America's longest-manned military fort, now an abandoned hulk.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

From scholastic to sepulchral - now under reconstruction.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

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

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

The loneliest island in New York.

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A once grand hotel is being retaken by the wilderness it once capitalized on.

A natural gas leak provides a flickering flame beneath a waterfall.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

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

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

An abandoned castle owned and ignored by Masons carries a cursed history.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Nondescript elevator doors open to reveal a stunning, surreal world.