We'll visit a church was constructed by Syrians in 1050-1060 BP (close to Jaca, Pyrenees) with arrow slits covered with sheet of alabaster from Saraqusta (the old Muslim city of Zaragoza) 10' later a hermitage (1060 BP) on its door there is sculpted in stone the following sentence: "there is no (other) god than Allah" In Arab language!
Then we'll visit a Cathedral of Jaca and, on the enter the Crismon (Aragon kings symbol) with the monogram of Christ, two lions and rounded this, the final of a sentence:"..Clean the heart of sins, so as not to die of a second death" It is threatening, isn't it? :-)
Before, we'll pass near a fortress (1592) against the French and his guns!
Later, Santa Cruz de la Serós (translated, Saint Cross of Nuns that was exist 1059-1061 BP; 20' from Jaca) with it's tower.. And other Crismon. Near, other monastery that it's begun to building at 10th century.
Finally, the best, the biggest and the prettiest Romanesque castle of Europe: Loarre Abbey-Castle! (30' from Huesca)
Do you believe that no worth it make this trip?
Not only this, also I will explain you (and let's will learn; Yes, I too, every trip) about landscape, wildlife, plants (yes medicinal too) fungus.. around the monuments and the travel.