Porto is an ancient city that has a great historical heritage, strong> even though it has been modernised in recent decades.
Its historical centre was declared a World Heritage Site by UNESCO in 1996. Some tourist attractions are: the Tower of the Clerigos, Porto Cathedral, Casa da Música and the Serralves Foundation, which is the most visited museum in Portugal. Besides, in Vila Nova de Gaia, the southern bank of the River Douro, are the renowned wineries. Because of its cultural, demographic and industrial wealth is considered the capital of northern Portugal.