The Hippodrome is a stunning archaeological site that was once a horse racing circuit, the largest of its kind in the world, and a very large archaeological monument with several facilities, including a grooming room, starting room, amphitheater, huge arches and gates. It is considered the most famous landmark in the city, and is visited by tourists and locals alike. There are several guides on site who will tell you the full history of the area, and answer all your questions.