rocca monaldeschi della cervara fortress, bolsena, italy, under a beautiful sky

building ruins monastery wall landmark architecture castle church facade fortification town tower history house chapel rocca monaldeschi della cervara fortress bolsena italy europe beautiful sky culture ancient architecture blue bolsena building castle city cervara europe exterior famous fort fortress historic historical history imposing italian italy lake landmark landscape lazio medieval monaldeschi monument nature old outdoor overlooking palace panorama park rocca rock scenic sky square stone summer sunny tourism tower town travel view viterbo wall water