It is one of the most impressive and best preserved historical sites in Tunisia. The amphitheater of El JEM is the third largest Roman amphitheater in the world.

Moreover, this excursion offers a unique experience by allowing travelers to discover the history of the Roman Empire in Tunisia while enjoying a half-day excursion from Sousse.

Travelers will also have the opportunity to visit the El JEM Museum to learn about the history of the area and the amphitheater.

In summary, this excursion is unique because of the beauty and historical significance of the Amphitheater of El JEM, as well as the opportunity for travelers to experience Roman culture in Tunisia. Plus, it's ideal for travelers with a busy schedule as it only takes half a day, allowing the rest of the day to be spent exploring other sights in the area.