The Vatican of the movie industry turned into an actual church.

A long abandoned hospital building on the outskirts of NYC.

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

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

Underneath the bustling city streets, a hydroponic farm grows unique herbs in an urban oasis.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

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

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A terrific purveyor of natural history objects and curios.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

After surviving abandonment, this powerful Latin American mural is alive again.

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

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

Phil Mortillaro uses keys to bring art back to the Village.

The first piece of public art dedicated to LGBT rights.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

A hip bar decorated with walls of golden skulls.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

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

These small stands sell Malian snacks to worshippers and passersby after Friday prayers in Harlem.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.