Portugal famously prospered during its Age of Discovery and you will find monuments to this vibrant era everywhere. Port wine, too, put the nation on the maps of travelers and oenophiles. A Douro cruise with Viking brings it all into sharp focus for you, providing rich insight into fascinating highlights such as these:

• Lisbon’s stunning Manueline architecture
• Lisbon’s Moorish-flavored Alfama District
• Ancient universities in Coimbra, Portugal and Salamanca, Spain
• Port warehouses of Porto
• Porto’s historic center, a UNESCO World Heritage Site
• Scenic vineyard-laden hills along the Douro River
• Vila Real’s extraordinary Mateus Palace
• The hilltop fortress town of Castelo Rodrigo
• The tiny village of Favaios, nestled among picturesque hills
• Port wine tastings at elegant estates