This year, our annual Spa Poll turns 21. And like any newly minted adult, it is wiser (and larger) than it was in infancy. Case in point: What began as a humble top three in 1990, with the high scorer earning a respectable 81.2, has transformed into a robust collection of 250, with the top-rated spa tipping the scales at 98.8. (The Spa at Stein Eriksen Lodge) For the full story