St. Helen's Gate - Credit: Wikimedia Commons
St. Helen's Gate (), also known as Porta dei Mortari, is the main gate of the Santa Margherita Lines, located in Cospicua, Malta. It was built in the Baroque style in 1736 to designs of Charles François de Mondion, during the magistracy of Grand Master António Manoel de Vilhena. Read more on Wikipedia
Source: en.wikipedia.org