If your trip to Fern Acres is all sorted out but your itinerary is looking a little empty, let us give you a few hints and tips.There's nothing more enjoyable than discovering new places. While you're staying in town, Kilauea Caverns of Fire and Hilo Coffee Mill ought to be among them. If you still have tons of energy and space on that travel itinerary, Hiʻiaka's Healing Hawaiian Herb Garden is also calling your name.