ONE OF THE BEST THINGS about Instagram is that one can explore new cities and exotic, far-flung destinations before even booking any flights. From the screens of our phones, we can travel to places we’ve always wanted to visit, or re-visit places that will never quite leave our hearts. From Sorrento to Venice, the Kerry Cliffs to Nantucket, here are 40 breathtaking images of some of the places we’ll be adding to our next adventure . . .