Enormous one time fiber mill now houses local artists and small businesses.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

Lie in a hammock where George Washington stood.

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

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

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

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

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

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

Avoid gangster interaction while window-shopping.

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

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.