Rummage through this sunken ship, but leave your scuba gear at home.

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

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

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.

Avoid gangster interaction while window-shopping.

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

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.

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

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

Plot your trip through the city on the sidewalk.

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

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

Slyly buy a shake in the Parker Meridien lobby.

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

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

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

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

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

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.

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

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

The "Seinfeld" diner.