Although the Lighthouse of Alexandria no longer exists, like five of the other original Seven Wonders of the Ancient World, it continues to inspire the imaginations of countless people throughout the world. For about 1,000 years the Lighthouse stood as a symbol of the city of Alexandria’s greatness, as well as providing a beacon for safe passage through the treacherous Alexandria harbor. Unfortunately, the great monument fell victim to a number of factors that resulted in its destruction. Earthquakes and erosion were responsible for most of the physical destruction to the Lighthouse, but when the Arab Muslims conquered Egypt they did not look at the monument with the same reverence as previous Hellenic peoples who occupied Alexandria. The city itself fell in importance with Islamic caliphs, who chose to convert what was physically left of the Lighthouse first into a mosque and then a fort.