Custom-fitted tray and carbamide peroxide solution combine for visible whitening results in 60–90 minutes while minimizing sensitivity

Students train in a 20,000-square-foot facility, challenging their bodies with MMA fighter fitness regimens, boxing, or kickboxing classes

At-home teeth-whitening kit uses hydrogen peroxide gel and LED to expunge stains, and portable pen touches up teeth on the go

Water hazards come into play on 9 of 18 holes on course that affords views of Dallas skyline

Inside eight batting cages, players hit baseballs and softballs hurled by automatic machines or other players

Holistic chiropractor administers acupuncture to naturally relieve stress and pain; treats roots of pain, not just the symptoms

Doctors use noninvasive laser light to safely and effectively remove toenail fungus

Dentist-developed toothbrush moves 30,000 strokes per minute to clean teeth in two minutes before returning to its self-sanitizing charger

Build cardio endurance and lean-muscle mass during one-hour dance-fitness classes set to the rhythm of Latin-inspired music

Catskills retreat immerses guests in yoga and meditation when they're not savoring organic meals or taking in sauna's mountain view