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

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

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

A hidden architectural treasure in New York's Brooklyn.

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

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

A posh members-only club with a literally dramatic history.

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

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

Commemorating the spot where the famous scientist fed his pigeons.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

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 whimsical, but often overlooked clock in Park Avenue.

Hear the tales of New York's most notorious criminals.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

Avoid gangster interaction while window-shopping.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

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

Lie in a hammock where George Washington stood.

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

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

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

A popular European tradition makes its way to the states on one of America's most famous bridges.

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