A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

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

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

A crumbling hospital from the 1850s on Roosevelt Island.

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.

Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

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

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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

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

There are owls with glowing eyes in Herald Square.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

Elevated freight railway turned wildly successful urban park.

An artist's cute bronze subway sculptures belie his violent artistic past.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Lie in a hammock where George Washington stood.

Red frames showcase remnants of one of New York's original subway stations.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

New York City's smallest piece of private property.