During the holidays, a vintage subway train whisks New Yorkers back in time.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

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

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Try not to get slimed in Tribeca.

Become a prohibition rebel.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.