Soak up portos fascinating history and rich culture on a full day private tour that includes port tasting accompanied by your own private guide tour porto and nearby vila nova de gaia which sits south of the douro river visit a traditional port wine cellar and develop your palate at a port wine tasting spend the afternoon viewing portos most beautiful sights such as the elaborate art nouveau style livraria lello bookshop clrigos tower and the historical ribeira district upgrade to inc