Built between 1842 and 1870 on the former site of a Franciscan convent, The Stock Exchange Palace, or Palácio da Bolsa, is an impressive building in Neoclassical style, which currently houses the headquarters of the Porto Commercial Association. Classified as a World Heritage Site by UNESCO, the Palácio da Bolsa attracts around 200,000 visitors a year, making it the most visited monument in the north of Portugal. Take a guided tour to see up close its magnificently decorated rooms, especially the Arab Room, which features the exotic Moorish Revival architecture. This room also serves as a reception hall for heads of state and personalities visiting the city.

This Early Christian complex dating back to the 5th century is another incredible piece of historical evidence. It includes the Byzantine-Roman church (known also as the Church of St Cosma and Damian) and the Christian necropolis, in which burials even more ancient than the church itself have been discovered.

This hipster fixture is an unlikely, yet pleasantly surprising find in Boquete. Six varieties of beer brewed in-house are complemented by international additions, and there is even a food truck on site. The microbrewery also offers guided tours, and you can sample the beers before deciding on a specific one.

Cagliari Cathedral is a Roman Catholic church which was constructed in the 13th century in Pisan-Romanesque style and restored during the 1930s. Walking along its nave, you can admire the amazing marble elements, which provide the building with an enchanting aura, as well as the two astonishing pulpits sculpted by Guglielmo da Pisa.