Northern Portugal is often overlooked by tourists who favor the capital city of Lisbon in the south, or Portugal's neighboring country & my current homeland, Spain. To be honest, Portugal was never really on my radar of places I really wanted to visit during my time living abroad in Spain. But if there is one thing I've learned while living in Europe, it's that sometimes the most unexpected cities and countries are the most beautiful. We all know that Paris, London, and Barcelona are…