There are specialized fitness centers such as rock climbing gyms that have rock climbing walls instead of treadmills and powerlifting gyms filled with power racks and heavy weights. More than a building to train and exercise, gyms are a place to socialize, unwind, and recharge. A good gym promotes physical activity via a safe, functional workout in an enjoyable atmosphere. Athletic men and women in the Chicago area have many choices when it comes to health and fitness centers.