The Hashani Spa at the JW Marriott Starr Pass Resort & Spa in Tucson meshes elements of the surrounding desert with the Native American mystique to bathe its guests in relaxation and revival. A spiral staircase leads guests to the three-level, 20,000-sq.-ft. retreat complete with luxurious lounges for men and women, a deluxe Pilates studio, a terrace for outdoor fitness classes and a floor-to-ceiling glass wall with views of the stunning landscape.

Do try: Clay Sage Mineral Bath, Couples Massage