Former towers

lighthouse in Egypt, built in the 3rd century BC and destroyed in the Middle Ages

300px|thumb|upright=1.5|Kasbah of Sfax in [[Tunisia]]

pagoda constructed in the 15th century during the Ming Dynasty, part of the Great Bao'en Temple

guyed steel framework mast

Collapsed medieval bell tower in Pavia, Italy

Tower in Aragon, Spain

tower in Malta

archaeological site in Peru

archaeological site

Tower in Pisa, Italy

tower in Malta

architectural structure

St Martin's Tower, also Garzes Tower, Italian called Torre Garzes, was the first watchtower built by the Hospitallers on the Maltese islands. It served as a model for the one built shortly afterwards

Watchtower group in Malta