Plot your trip through the city on the sidewalk.

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

A hands-on traveling collection of the innovative devices of yesteryear.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

After surviving abandonment, this powerful Latin American mural is alive again.

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

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

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

A very classy 1920s-era bar right in Grand Central Station.

An extensive collection of fine art devoted to man's best friend.

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

A whimsical, but often overlooked clock in Park Avenue.

Stunningly detailed mosaics in a New York subway station bring life to the Weimaraners of artist William Wegman's work—and to thousands of commutes.

The first museum in the United States dedicated entirely to posters.

Cryptic messages embedded in the New York City sidewalk.

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

Unlock the secrets of the conjuring arts.

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

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

New York's oldest magic store.

There are owls with glowing eyes in Herald Square.

This translucent sculpture represents a quintessential component of New York City's skyline.

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

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