Historical wine transportion boats are moored at the Vila Nova de Gaia Port district of Porto. Portugal's Douro Valley is opening up its quintas, or port wine estates, to upscale tourists who are ... more 

Historical wine transportion boats are moored at the Vila Nova de Gaia Port district of Porto. Portugal's Douro Valley is opening up its quintas, or port wine estates, to upscale tourists who are throwing it a lifeline in a bad economy less