Port wine has layers of history and flavor most people never get to unpack, and this tasting walk dives right in. You’ll visit a handful of classic lodges in Gaia, trying different styles side by side so you actually start noticing how ruby, tawny, vintage and the rest age and change over time. The guide keeps it interesting without getting stuffy, explaining the families of port in a way that clicks. Then you go deeper at a traditional cellar where the barrels feel like they’ve been there forever, followed by a modern interactive museum packed with exhibits on how Douro Valley grapes become the bottles everyone knows. Perfect if you already love wine or just want to understand why Porto’s port is such a big deal – you leave knowing a lot more than when you started.