Rocca di Calascio, mountaintop fortress, Campo Imperatore, Abruzzo Region, Italy, Europe

abruzzo architecture attraction attractions bastion bastions building buildings calascio campo castle castles day daylight daytime di during europe european exterior exteriors famous fortification fortifications fortress fortresses imperatore italian italy known mountaintop nobody outdoor photo photos region renowned rocca seeing shot shots sight sights site sites south southern stronghold strongholds the tourism tourist touristic touristical touristically touristy well well known worth