This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

Pluto is still considered a planet in Ithaca, New York.

The Hudson River School comes alive at this palatial estate.

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

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

A castle built for love, and abandoned due to heartbreak.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

The site of a tragic massacre that spawned a multimedia franchise.

A natural gas leak provides a flickering flame beneath a waterfall.

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

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.

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

Avoid gangster interaction while window-shopping.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

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

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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.

The "Seinfeld" diner.

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.