The Lighthouse of Alexandria (opens in new tab)

The last monument to be added to the list of the Seven Wonders of the Ancient World, the Lighthouse of Alexandria (also known as the Pharos), was one of the tallest man-made structures in ancient history. Serving as the only guiding beacon along 900km of Mediterranean coast, it played a vital role for sailors, merchants, and travellers in safely navigating into the harbour of Alexandria. But who commissioned this mighty marvel, and what eventually caused its collapse 1500 years later?In this ...