The most confusing clock in New York.

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

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Little Red Lighthouse under the George Washington Bridge.

A Manhattan office building is home to the world's largest chess board.

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.

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

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

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

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

Avoid gangster interaction while window-shopping.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

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

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

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

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

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.

Slyly buy a shake in the Parker Meridien lobby.

The "Seinfeld" diner.

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

A very classy 1920s-era bar right in Grand Central Station.

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