From discovery.com: Hidden Underwater City Wows Experts.
Alexander the Great founded Alexandria to immortalize his name on his way to conquer the world, but his may not have been the first city on the famed site on Egypt’s Mediterranean coast. A Smithsonian team has now uncovered first underwater evidence pointing to an urban settlement dating back seven centuries before Alexander showed up in 331 B.C.
The city he founded, Alexandria, has long been a source of intrigue and wonder, renowned for its library, once the largest in the world, and the 396-foot lighthouse at the island of Pharos, one of the Seven Wonders of the Ancient World. But little was known about the site in pre-Alexander times, other than that a fishing village by the name of Rhakotis was located there.
Coastal geoarchaeologist Jean-Daniel Stanley of the Smithsonian’s National Museum of Natural History said the work by him and his colleagues suggested there had been a much larger community than had previously been believed. [continue]