A photo of the Hampton Lovett Heritage Railway model which will be on display at the church during Heritage Open Days . sA photo of the Hampton Lovett Heritage Railway model which will be on display at the church during Heritage Open Days . sA WHOLE host of events centred around Droitwich’s heritage and culture are on offer this month as part of a long-running festival. Heritage organisations across the region are opening their doors to visitors as part of the jam-packed Heritage Open Days Festival. Heritage Open Days is the largest festival of free heritage events in England.