back facade view at the castle of guimares, a iconic medieval castle, in the northern region of portugal

2020 age archeology architecture attraction back battlements building buildings capital castelo castle castles destination europe european facade famous first flag fort fortification fortress fortresses guimaraes guimares heritage historic history iconic landmark medieval middle monarchy monument monuments national north northern patrimony portugal portuguese ramparts region romanesque stronghold tourism touristic towers travel unesco view watchtower watchtowers