Listen, we know you know the city like the back of your hand--even the “secret” spots. The whispering corner in Grand Central? Old news. Please Don’t Tell inside Crif Dogs? Been there, done that.
But even we were surprised to discover some of these blink-and-you’ll-miss-them, downright hidden spots around the city, from to a discreet cemetery behind a hotel to a bomb shelter under a bridge.