A Gothic-style abode built to accommodate the church's three resident peacocks.

The "Seinfeld" diner.

Harlem park dedicated to compulsive hoarders killed by their own junk.

One of the only single-person private gravesites in New York City.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

Despite not growing anywhere near New York City, bananas are ripened in a pressurized room in the Bronx using precise banana science.

The loneliest island in New York.

From scholastic to sepulchral - now under reconstruction.

Legendary private island in the Bronx...devoid of rats.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

An isolated beacon with a history of grisly murder and a view of some of literature's greatest inspirations.

The first and only carousel with a lineup entirely of insects.

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

A former connection to City Island, it has been abandoned since the 1930s.

The highest point on the island known for buildings that touch the sky.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Collect holy water from a Bronx grotto.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

The famous author's cottage hideaway.

Astonishing collection of helmets, scientific instruments, and medical models.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.