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

Wine bottle sculpture with a ship's stateroom inside.

Once considered the height of medical modernity, this structure is now the oldest remaining component of Roosevelt Hospital.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

Slyly buy a shake in the Parker Meridien lobby.

Read a book next to a Midtown waterfall.

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

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

A Manhattan office building is home to the world's largest chess board.

Hundreds of antique bank vault locks on display in New York City.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

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

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

A staggering collection of photographs depicting medical, social, and historical change.

This semi-hidden Manhattan restaurant is based out of a loading dock.

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

This New York holdover was built to provide housing for shopgirls and still does not allow men above the lobby.

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

Join in a Seance at the Swedenborgian Church.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

NYC's legendary underground network for bovine transportation.

The famous facade of Grand Central Terminal hides a regulation tennis court, and it's not the first one.