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

New York City's first Modernist house.

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.

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

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

The first piece of public art dedicated to LGBT rights.

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

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

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

The only remaining building in New York to see the inauguration of a president is being slowly overtaken by a grocery store.

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

Join in a Seance at the Swedenborgian Church.

A whimsical, but often overlooked clock in Park Avenue.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

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

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

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

Where the legendary Orson Welles got his theatrical start before "Citizen Kane."

Commemorating the spot where the famous scientist fed his pigeons.

As telephones become more essential and less stylish one historic Brooklyn building remembers the days when they were a grand celebration of communication.

Before online banking and smartphone apps, there was "commuter banking" in the subway in Downtown Brooklyn.