If your trip to Parkmill is all organized but your travel itinerary is looking a little empty, we can give you a few hints and tips.Oxwich Castle and Oystermouth Castle are some interesting attractions that all travelers should make time to swing by. Map out your route and spend an hour or so experiencing each one.Plan a stop at Oxwich Bay Beach. It's one sight you'll usually find on many visitors' must-do lists. Caswell Bay Beach and Three Cliffs Bay Beach are also a stone's throw away and worth taking the time to see.