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.

Commemorating the spot where the famous scientist fed his pigeons.

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

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

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.

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

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

The former hotel where Tesla invented the radio.

Unrepaired walls from a 1920 anarchist bomb attack.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

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

Avoid gangster interaction while window-shopping.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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

Historical figures from New York City's Catholic community reside in Midtown.

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

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

A living archive of urban activism and space reclaimed.

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

New York's oldest and possibly grandest keeper of books.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

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

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.