Its landscaped ground, chosen by Frederick Law Olmsted and dotted with Tudor mansions, could belong to a New England prep school. There are no fences, no guards, no locked gates. But McLean Hospital is a mental institution-one of the most famous, most elite, and once most luxurious in America. McLean "alumni" include Olmsted himself, Robert Lowell, Sylvia Plath, James Taylor and Ray... (read more)