We were lucky enough to be shown around by a local. So he looks us to lots of cool places in Porto!
We just went to one where you could freecamp and do a tasting on a farm/vineyard and learnt a lot about the appellation. Really interesting.
The road was judged as one of best in world!
https://detour-roadtrips.com/home/detour-173-is-the-n22-in-portugal-really-the-worlds-best-road