Dougga is an ancient Roman city in northern Tunisia, included in a 65 hectare archaeological site. UNESCO qualified Dougga as a World Heritage Site in 1997, believing that it represents “the best-preserved Roman small town in North Africa”. The site, which lies in the middle of the countryside, has been protected from the encroachment of modern urbanization, in contrast, for example, to Carthage, which has been pillaged and rebuilt on numerous occasions.
Dougga’s size, its well-preserved monuments, and its rich Punic, Numidian, ancient Roman, and Byzantine history make it exceptional. Amongst the most famous monuments at the site are a Punic-Libyan mausoleum, the capitol, the theater, and the temples of Saturn and of Juno Caelestis.
Dougga's history is best known from the time of the Roman conquest, even though numerous pre-Roman monuments, including a necropolis, the mausoleum, and temples have been discovered during archaeological digs. These monuments are an indication of the site's importance before the arrival of the Romans.
Information based on http://en.wikipedia.org/wiki/Dougga