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

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

The 28-foot granite map plots the locations of 40 theaters in New York City.

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.

There must be a pun in this haystack somewhere...

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

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

The most confusing clock in New York.

The notorious headquarters of a corrupt political machine.

Cryptic messages embedded in the New York City sidewalk.

A bit of retro transportation flair preserved in the world's largest department store.

New York City's smallest piece of private property.

A terrific purveyor of natural history objects and curios.

Elevated freight railway turned wildly successful urban park.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

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

Try not to get slimed in Tribeca.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.