Santiago Calatrava Valls - Loved by some, highly criticized by other.
His projects are loved for his own style which is based (among other things) on the study of human body and natural world. On the other hand he is criticized for budget and time underestimations. Anyway, here you can find the list of Calatrava's projects in Spain. Each project will contain photos and longitude/latitude position so that you can easily find it when you visit Spain.