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.

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

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

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

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

Read a book next to a Midtown waterfall.

Slyly buy a shake in the Parker Meridien lobby.

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

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

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

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.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

New York's oldest magic store.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

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

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

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

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

An unassuming secret door once led to a legendary watering hole.

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

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.