Light-activated whitening gel brightens teeth up to eight shades in one hour

Generic or designer glasses, from brands such as Ray-Ban and D&G, come with complimentary backup pairs

A therapeutic optometrist tests each eye’s health and vision, or friendly staff members help guests choose the right designer frames

Certified yoga instructors help guests balance minds and bodies during beginner, intermediate, and advanced yoga classes

Dentists sleuth out potential problems with X-rays and exam, then hygienists cleanse teeth as patients relax with iPods and soft blankets

More than 10 45- to 60-minute-long classes include Zumba, yoga, boot camp, Skinny Sculpt, and Interval Blast

Beginners class introduces students to golf-course setup before practice at the range; golf simulator transports players to famous courses

Indoor baseball sessions offer batting-cage practice and classic stadium fare and private lessons hone infield and outfield skills

Mix and match multiple types of yoga classes or sessions focused on traditional Egyptian-style belly dance

Certified trainers help students center their minds and lengthen their limbs in therapeutic and healing yoga classes