If you’ve spent any time in Keller, you’ve likely driven by the Rock Gym — the stone-and-petrified-wood building that’s seen just about everything a small town can throw its way. Built in 1933-34 through the Civil Works Administration, it wasn’t just a gym; it was the gathering place. Basketball games, roller skating, school plays, graduation ceremonies — if the community was together, it was probably happening here. When the old Keller School burned in 1948, the Rock Gym stood firm and even ser