If your trip to Stiffkey is all sorted out but your travel itinerary is a little on the empty side, let us give you a few hints and tips.Stop by Holkham National Nature Reserve. It's one attraction you'll find on travelers' must-do lists. If you still have some room on that travel itinerary, Blakeney National Nature Reserve and Eceni Study Centre and Permaculture Experience will keep you entertained too.