A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

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

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

A collaborative art project that transformed a neighborhood in NYC's Queens.

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

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

Some of New York's best tacos can be found in the back of an unassuming bodega in Queens.

A sculptural commentary on capitalism pokes up from the East River.

The preserved house of a jazz legend still echoes with his music.

The first piece of public art dedicated to LGBT rights.

Little Red Lighthouse under the George Washington Bridge.

The most confusing clock in New York.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

Salute the leader of the proletariat.

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

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

The former hotel where Tesla invented the radio.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

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