At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

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

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

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

An institution dedicated to the towering buildings that make up skylines in New York City and around the world.

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

How did a 154-foot-long piece of spacecraft wind up abandoned along the side of a Florida road?

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

"Leave a He-Man, Take a Transformer" and share a story about your real-life superhero.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Try not to get slimed in Tribeca.

A dilapidated dock tells the story of Titanic's missed arrival.

Elevated freight railway turned wildly successful urban park.

This slender three-story building has also had several famous residents.

Phil Mortillaro uses keys to bring art back to the Village.

The first piece of public art dedicated to LGBT rights.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

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

A quick trip around the globe through an amazing miniature exhibit.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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