The lighthouse of Alexandria or the lighthouse of Alexandria ( Greek : Φάρος της Αλεξάνδρειας ) - Pharos of Alexandria - one of the seven wonders of the world mentioned by the Greeks, and was located on the edge of the Pharos Peninsula , the current place of Qaitbay Castle in Alexandria, Egypt. Considered the first lighthouse in the world. It was built by Sostratus during the reign of Ptolemy II in 270 BC It was 120 meters high and was destroyed in an earthquake in 1323 .