If your trip to St. Marys is all booked but your itinerary is a bit on the empty side, let us give you a helping hand.Whatever you do, don't forget to pack your camera when you head to Naval Submarine Base Kings Bay. This great attraction is sure to offer some amazing photo ops.Keep yourself entertained by exploring Cumberland Island and Crooked River State Park. If you still have tons of energy and space on your travel schedule, Plum Orchard Mansion is also whispering your name.