The Algarve has the beaches and coastal charm, Lisbon has the culture and city living, but Porto has history and for me much of the heart of Portugal.  You could spend enough time walking through the city just exploring but here are some recommendations of some of my favorite things I stumbled on while in this UNESCO World Heritage city during my weekend in Porto. Get Lost A small old city, Porto winds through narrow alleyways towards the Duoro River.  The Ribeira is the soul and historic center of the city, the best place to see beauty by the river, colorful tiles and crumbling old buildings.  By night it’s a…