Fantastic Tripoli City Trip, to the ''White Bride of the Mediterranean'' The walled old town of Tripoli encloses, arguably, the most charming medina in all of North Africa. We'll explore the warren of streets and alleyways! Furthermore an excursion to the UNESCO World Heritage Site of Leptis Magna, the largest and best-preserved Roman city in the world that came to prominence in the 2nd century AD under its native son, the Emperor Septimus Severus.