Few of America's various well-known summering spots have achieved quite the name recognition of this small island 30 miles off the coast of Cape Cod, Massachusetts. During these months, the population of Nantucket quintuples. What exactly is the magic of this, staid, classy, nine-by-twelve-mile piece of pricy real estate? Some hint is provided by its description by the National Park Service as the "finest surviving example of a late 18th- and early 19th-century New England seaport town." But there's more to it than that... keep reading