I had an amazing time in Porto, Portugal. I loved all of the shops and cafes along the river. In addition, there is a selection of great Port Wine Wineries right on the river. I went on a a winery tour at the Ferreira Cellars, which was very informative. Plus, we could sample two Port wines.
While in Porto, I stayed at Yes! Porto Hostel, a very nice hostel with a beautiful common area and kitchen. The rooms are also very nice! The service was excellent; the hostel attendant was very friendly and knowledgeable about the city. Overall, I was very impressed with this hostel. Also, I was there during Carnival, so the fiesta was crazy inside the hostel and out!