Manhattan's deadly West Side railroad, which killed hundreds of New Yorkers, is remembered by this simple plaque.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

This New York holdover was built to provide housing for shopgirls and still does not allow men above the lobby.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

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

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

The most confusing clock in New York.

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

A Manhattan office building is home to the world's largest chess board.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Commemorating the spot where the famous scientist fed his pigeons.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

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.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

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

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

Wine bottle sculpture with a ship's stateroom inside.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.