Nantucket Life-Saving Museum, 158 Polpis Road (on the saltmarsh) Telling the story of those early, heroic life-savers whose motto was: You have to go out--but you don't have to come back. This outstanding museum is dedicated to the human drama of man's efforts against the relentless sea and is testimony to those early Nantucketers who saved hundreds of lives in and near the island's ...