Gold’s Gym lures fitness seekers from all walks of life with cardio decks, strength-training equipment, and aerobics rooms filled with energizing classes. Instead of reciting Shakespearean monologues as they jog and pedal, guests can watch movies in a cardio theater lined with treadmills, bikes, and an oversize projection screen. Free weights encourage biceps to bulge, and resistance machines tone arms, abs, and legs. Sports lovers dribble basketballs and volley racquetballs on shiny courts (available at most locations), raising their heart rates as they hone hand-eye coordination. Like the nightly news, Zumba classes take an hour and set Latin-inspired dance moves that vaporize calories to vibrant world music, along with a slew of available selections, including cardio and spin classes. Consult each location’s webpage for a class schedule and a list of additional amenities, which range from childcare to personal training (not included in today’s Groupon).