3Douro Valley, Portugal

The Douro Valley is the oldest demarcated wine region in the world, and it is a UNESCO World Heritage Site. This breathtaking region in northern Portugal is famous for its Port wine, a sweet fortified wine.
The terraced vineyards along the Douro River create a dramatic landscape. Visitors can take scenic boat rides, visit traditional wine cellars, and sample both Port and excellent dry table wines. The region’s warm hospitality and stunning views make it a must-visit.