Sightseeing tourist boats on Sao Joao Baptista das Berlengas coast aerial view approaching the Portuguese island cove

sightseeing tourist boats sao joao baptista das berlengas coast aerial view approaching portuguese island cove hillside tourist attraction flying atlantic largest shimmering coastal ocean fortress portugal seascape historic berlenga grande adventure sailboat beach vacation archipelago holidays burlings abandoned settlement monastery cliff historical fortification medieval sunny waves tourism ancient heritage islands bridge landscape tower defense panorama scenic