Home on the Hillside, and home of the first breakfast cereal.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

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

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

Comprehensive gaming collection of over 30,000 electronic games and consoles.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

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

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

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

A whimsical, but often overlooked clock in Park Avenue.

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

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

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.

This innocent-looking townhome is actually a subway exit.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

Hear the tales of New York's most notorious criminals.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

The oldest living tree in Manhattan comes shrouded in sinister legend.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This once luxurious Catskills resort is now a haunting ruin.

Protecting the future of some of the rarest and most misunderstood mammals of North America.