If your trip to Mrzla Vodica is all organized but your travel itinerary is a bit on the empty side, let us give you a few hints and tips.There's nothing like visiting new places. While you're staying in the area, Risnjak National Park and Risnjak National Park ought to be among them. If you still have loads of stamina and room on your schedule, Platak Ski Resort is also calling your name.