Kairouan is the 4th most holy city for Muslims, and has been a major destination for pilgrimage and religious studies since 670 AD. Now a UNESCO World Heritage Site, Kairouan boasts a beautiful Medina filled with alleys and arches, as well as the famous Great Mosque, a masterpiece of Islamic architecture and one of the more impressive monuments of its kind in North Africa. #kairouan #pilgrimage #tunisia #africa