Salute the leader of the proletariat.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

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

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

Commemorating the spot where the famous scientist fed his pigeons.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

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.

Unrepaired walls from a 1920 anarchist bomb attack.

A whimsical, but often overlooked clock in Park Avenue.

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

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

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Cryptic messages embedded in the New York City sidewalk.

Avoid gangster interaction while window-shopping.

A hidden "place of interment for gentlemen."

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

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

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

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

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.

Lie in a hammock where George Washington stood.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.