Portugal's second city after Lisbon, Porto is known as the "Capital of the North" or the "unbeaten city ", because it was never defeated militarily since its creation during the Roman Empire and did not give in to either the Moors or Napoleon’s attacks.A city rich in history and typically Mediterranean, Porto has a strong industrialization and welcomes tourists with its friendly people, its accommodations at great rates, its lively cultural life and its excellent gastronomy, which can be experienced at its best through the famous wine that takes its name from this city.Porto has many monuments, buildings, museums and churches to visit. The Cathedral of Oporto, in Baroque style, is the most important religious building of the city, with a cloister decorated with beautiful tiles. The historical center is the Ribeira district, a Unesco World Heritage Site, with its narrow steep streets that climb the hill which ends overlooking the Douro River.Take a stroll in the elegant Avenue of the Allies. Do not miss a visit to the train station of São Bento, decorated inside with over two thousand colored tiles. Also worth seeing is the Stock Exchange Palace, the Crystal Palace and its beautiful gardens and the House of Music, a large concert hall designed by the Dutch architect Rem Koolhaas and completed in 2005.