24 Hour Fitness will open its new Heights-area location at 1513 W. 18th St., Houston, on Dec. 21, the company has announced. The 37,000 fitness center—formerly the site of an H-E-B grocery store—will offer a wide range of exercise equipment, classes and facilities, including cardio and strength machines, TRX equipment, indoor basketball court, indoor pool and sauna. 24 Hour fitness offers annual commitments as well as month-to-month membership and more than 440 locations nationwide. 888-243-5002. www.24hourfitness.com/HoustonHeights