Portugal has an oversized history, fascinating culture, and boatloads of sardines. Saving the capital city of Lisbon for another episode, we'll dance on the beach at Nazaré, marvel at a medieval abbey in Batalha, visit a royal library and revel with university students in Coimbra, savor port wine with the people who made it along the Douro River, and get to know Portugal's gritty and fascinating second city, Porto.