There's so much written about every nook and cranny of New York City that it seems like everything is known. Here is a list of unsolved mysteries in the city.
Buried time capsules, a building that was lost in its entirety (twice), and the most bizarre fact about our drinking water, remnants of a Park Slope plane crash
The Bogardus Building (Edward Laing Stores) in Washington Market area, now Tribeca, was stolen not once, but twice, in its tragic preservation history