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

The world’s largest collection of Tiffany glass sits in a warehouse in Queens.

Ever wanted the laymen's version of your credit card fine print?

Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

An abandoned subway tunnel that could have reinvigorated Staten Island still lies somewhere beneath this Brooklyn park.

The best B-movies filmed on a shoestring budget were born here.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

Hiroshima survivor on Riverside Drive.

Haven for steampunks.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

What happens here stays here – unless it affects the whole world.

A sculptural commentary on capitalism pokes up from the East River.

Nature and beauty amidst pollution and industrial wreckage.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

A uniquely lettered street sign marks the corner where the iconic word game was invented.

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

The site of the deadly Triangle Shirtwaist Factory Fire.

Little Red Lighthouse under the George Washington Bridge.

A modern zoetrope on the New York City subway.