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

Discover the taste of mold.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A posh members-only club with a literally dramatic history.

100 massive sculptures in the Hudson River Valley.

The most confusing clock in New York.

Little Red Lighthouse under the George Washington Bridge.

Walk into the 19th century without leaving Brooklyn.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

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.

“Invented in Key West, Perfected in Brooklyn."

The library of every book lover's dreams.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

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

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

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

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Sniff the Titan Arum's rotting flesh.

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

The "Seinfeld" diner.

Ride the subways of yesteryear.

A celebration of capitalism in Midtown.