The city sightseeing train tour departures from s catedral and takes you on an amazing trip around the city of oporto with visit to the port wine cellars first youll cross the bridge and stop at the oldest portuguese wine cellar real companhia velha then youll have a guided tour and two port wine tastings after this amazing wine tour youll continue the city tour on the train youll pass the most important monuments in the city such as bridge batalha square st jonhs theatre sta cat