The Place That Started It AllPennyroyal Scuba Center is nothing short of a surprise. The Quarry Water Is Clearer Than You Would ExpectFreshwater quarry diving has a reputation for murky, cold conditions. There is a stillness to quarry diving that ocean diving rarely offers. Why Kentucky Surprises Every First-Time VisitorKentucky is not the first state that comes to mind when someone mentions scuba diving. Pennyroyal Scuba Center is a perfect example of that.