There's nothing cookie-cutter about these tranquil spas. We love the wooden catwalk leading to a palapa-style spa suite--perfect for a couples massage or Mayan cleansing ritual--high in the treetops at the brand new Fairmont Mayakoba in Mexico's Riviera Maya region. And the outdoor hot tub with mountain views and the Apres-Ski Performance Massage are among our faves at Banff Springs in Alberta, Canada. No other hotel group gets it quite so right, or so relaxing.
Book it: Rooms from $143 per night; treatments from $129; 800-257-7544; www.willowstream.com