A DIY art gallery/music venue/lecture hall dedicated to video game culture.

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

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

Harlem park dedicated to compulsive hoarders killed by their own junk.

Wine bottle sculpture with a ship's stateroom inside.

Try not to get slimed in Tribeca.

A celebration of capitalism in Midtown.

A whimsical, but often overlooked clock in Park Avenue.

Cryptic messages embedded in the New York City sidewalk.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

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

Commemorating the spot where the famous scientist fed his pigeons.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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

The oldest living tree in Manhattan comes shrouded in sinister legend.

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

This 220-year-old house is a reminder of New York City's Dutch past.

A Yiddish theater turned movie house turned rock and roll landmark turned gay disco turned bank.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

More than 300,000 historical artifacts from the famous music venue, from Duke Ellington's handwritten score to The Beatles' booking slip.

One of the last Jazz Age "Wonder Theaters" in New York City.

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

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.