New York City's only preserved family home from the 19th century.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

Cryptic messages embedded in the New York City sidewalk.

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

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

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

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

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

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

A hidden "place of interment for gentlemen."

During the holidays, a vintage subway train whisks New Yorkers back in time.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Plot your trip through the city on the sidewalk.

A living archive of urban activism and space reclaimed.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Lie in a hammock where George Washington stood.

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

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

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