I have also (re)learned that having a good guidebook with you is essential! I am a slave to Lonely Planet, and purchased their book on Spain before we left.
As a result, we ended up in the beautiful village of Sos Del Rey. Situated in the mountains in Aragon in the north of Spain, it's unlike anywhere I have ever been in my entire life. The North of Spain is often described as a window into old Spain, and that's exactly what we found in Sos:
We were in the town for a few hours, and didn't see another living soul - just silence with massive buzzards wheeling overhead.