Torre di San Giovanni
One of a handful of 16th-century watchtowers that once protected the city of Alghero from attacks by land and sea, Torre di San Giovanni is one of the city's most striking examples of medieval defensive architecture. The tower’s Catalan-Aragonese style harks back to Alghero’s time under Spanish dominion, and its original vaulted ceiling and sandstone walls are remarkably intact, making Torre di San Giovanni a must-see for architecture buffs.
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