High up in the Time Warner building, you can draw on half-a-dozen treatment traditions, from Hawaiian (the lomi lomi massage) to Ayurvedic (body wraps). Save some time for the rotunda steam room studded with amethysts. If you splurge on the day spa package, you'll gain access to the hotel's fitness center, with its 75-foot, slate-bottomed lap pool. Subway: 1, 9, A, B, C, D to 59th St./Columbus Circle.