square of pedro nunes, in the old town, hilltop castle in the background, alcacer do sal, portugal

town palace landmark plaza building tourism estate city architecture vacation walkway neighbourhood travel temple monument facade square pedro nunes old panoramic shot hilltop castle background alcacer sal portugal march 2024 age alcácer alentejo art blue cartography church centre cityscape cobblestone cosmographer culture daytime discoverer discoveries europe european explorer famous historic historical history landscape mapping mathematician memorial navigation outdoor portuguese statue white