A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

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

The most confusing clock in New York.

Haven for steampunks.

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.

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

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

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.

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

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

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

Cryptic messages embedded in the New York City sidewalk.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Walk over a 150 year old manhole.

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.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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.

An unassuming secret door once led to a legendary watering hole.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

A celebration of capitalism in Midtown.