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

Hiroshima survivor on Riverside Drive.

There must be a pun in this haystack somewhere...

The most confusing clock in New York.

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.

The site of the deadly Triangle Shirtwaist Factory Fire.

Commemorating the spot where the famous scientist fed his pigeons.

The former hotel where Tesla invented the radio.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

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.

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

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

The "Seinfeld" diner.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

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

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

Cryptic messages embedded in the New York City sidewalk.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

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

Lie in a hammock where George Washington stood.

A hidden "place of interment for gentlemen."