Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

Walk over a 150 year old manhole.

The loneliest island in New York.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

From scholastic to sepulchral - now under reconstruction.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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.

Peek through the gates at this oasis from the city, full of Old English charm.

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

The "Seinfeld" diner.

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

Ride the subways of yesteryear.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A legendary speakeasy bookstore returns from the brink.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

One of only two commuter aerial tramways in the United States.

New York City's smallest piece of private property.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Try not to get slimed in Tribeca.