The Leaning Towers of Bologna The tallest of the two leaning towers is the Asinelli Tower on the right. Beside it stands the Garisenda Tower, also visibly tilting. Both towers were built in the twelfth century in Bologna, Italy, and remain striking symbols of the city\u2019s medieval ambition and architectural daring. #Bologna #MedievalArchitecture #ItalianHistory #LeaningTowers