Join Monty Don, Britain's pre-eminent gardener, and acclaimed photographer Derry Moore on their historic journey through the most stunning gardens of Venice and the Veneto. Few world cities hold the romance and historical sweep of Venice. Thousands visit every year - and a mixture of crowds and climate leave it vulnerable, so much so it is often said to be in danger of sinking - but away from the usual tourist haunts around St. Mark's square are exceptional hidden treasures, some 500 gardens, many of them with fascinating stories.