Cruises to Porto (Portugal)

Porto is the second most important city in Portugal, after Lisbon. Porto is an old city that has many historical heritage sites, although during the last decades is has been modernized. It has the longest underground line in Portugal, that covers not only the centre of the city, but also the metropolitan outskirts such as Senhora da Hora or maja. The old town is included in the UNESCO world heritage site. Some of it's most important monuments are: Mercado do Bolhao, teh Cathedral, the Clerigos Church and Tower, the Crystal Palace, the town hall and the bridges over the Duero river. it is also known for the grandeur, innovation and beauty of it's bridges, dated in diferent seasons and of different architectural styles.