The historic center of Porto was designated a UNESCO World Heritage site in 1996 for its beautifully preserved streets, colorful houses and scenic old port. With so much to see, we recommend booking a Free Tour in Porto well in advance to make sure you don’t miss any of the many secret wonders the second biggest town in Portugal has to offer! Some of the most emblematic places in this city are the Dom Luis I Bridge, Sao Bento Train Station, Clerigos Church, The Stock Exchange Palace (Palacio da Bolsa), San Francisco Church, the Cathedral, the Arrabida Bridge and the Bolhao Market. Culture enthusiasts will also love Casa da Musica Theater, the Crystal Palace Gardens and the Contemporary Art Museum of Serralves. And you can’t miss Lello Bookstore: it’s such a magical place, it appeared in the Harry Potter saga as Flourish and Blotts Bookseller in Diagon Alley!