Manhattan's deadly West Side railroad, which killed hundreds of New Yorkers, is remembered by this simple plaque.

The home of one of America's most beloved fictional characters has become a real world landmark.

A reminder to choose water over wine since 1888.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

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

A Gothic-style abode built to accommodate the church's three resident peacocks.

The 28-foot granite map plots the locations of 40 theaters in New York City.

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

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

Visit the monolithic tomb of America's most famous general.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The "Seinfeld" diner.

This semi-hidden Manhattan restaurant is based out of a loading dock.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

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

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

New York City's first Modernist house.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.