When it all becomes too much and we're ready to escape the everyday world, one refuge that usually pops into mind is a South Seas island paradise. It's an image of blue lagoons, glistening beaches, friendly people and weather even nicer than San Diego's. But how did we originally get the notion that the islands of the Pacific were a gentle paradise, ready to welcome the weary of the Western world? A new exhibit at the San Diego Maritime Museum traces that history through the works of three famous men.