As New Yorkers go about their daily business, few realize that a whole other world lies just beneath their feet. Deep underneath New York City is a mysterious world of pipes and passageways. From abandoned train stations to water valves the size of a city bus, discover Gotham’s buried treasures.

Few places in the world possess a history as rich, colorful or dramatic as that of New York City. Scattered throughout the city are unnoticed vestiges from a previous time that mark a path to the city’s illustrious past. Travel back in time to explore what hides inside New York’s oldest bridge, or what secrets lie buried in the city’s oldest cemetery, as we unfold the mysteries of old New York.

It's a city famous for its skyline, but what mysteries lie behind these lofty structures that symbolize New York City's high reaching ambition? We go above and beyond to bring you the most intriguing stories about the city's ubiquitous skyscrapers.