The Whispering Gallery (gallery of the whisper), located on the ground floor next to the Oyster Bar, stands out for its arched shape that allows you to hear a whisper from one end to the other as if they were speaking in your ear; You just have to stand on the opposite side of the entrance arch and speak softly to the wall. Interestingly, it has been the scene of many marriage proposals in Grand Central. Also on the ground floor there are several secret passageways that are unfortunately ...