Remember the old saying about "building castles in Spain"?

No, I didn't build one but I did live in one for a week. My castle in Spain went by the grandiose name of El Castillo de Alarcón.

El Castillo is 200 kilometers from the capital, Madrid, and is set on a rocky promontory surrounded by a deep gorge through which the River Júcar flows.

It looks across the gorge to the rolling green, yellow and red countryside which characterizes so…