John Tlumacki/Globe Staff Cruise ships elicit fear of paradise lost in Bar Harbor

For more than a century, the view from the top of Cadillac Mountain has drawn travelers to this remote and rocky, glacier-carved landscape. Looking down from 1,500 feet, they marvel at its natural beauty: the calm, flat blue of Frenchman Bay; the Porcupine Islands floating like dumplings; the white shroud of fog lifting from the sea.