Carthage

Carthage sits on a modest green cape jutting into the Gulf of Tunis, close enough that the city is practically a suburb of the capital, yet once commanded a maritime empire stretching across the western Mediterranean from the Strait of Gibraltar to the coast of Libya.

The Antonine Baths are the most substantial remains visible today: begun under Antoninus Pius around 145 CE and enlarged over the following decades, they cover roughly sixteen hectares, making them the largest Roman bath complex in Africa and among the three largest in the entire empire, rivaled only by the Baths of Caracalla in Rome and the Baths of Diocletian.

Walking the immense vaulted chambers you can trace the engineering before the architecture: the hypocaust system of brick pillars and hollow floors carrying heat from a separate furnace building, the cold-plunge frigidarium, the warm-tepid tepidarium, the caldarium with its suspended heated floors, all arranged on a symmetrical axis that speaks of Roman civic ambition rather than purely military power.

The Punic tophet on the hill of Byrsa is older and more disputed: a sanctuary of stelae and urns where Carthaginian children were reputedly sacrificed to Baal Hammon, a claim that shaped ancient Greek and Roman propaganda against the city and remains a contested scholarly question.

The Carthage UNESCO inscription, granted in 1979 and expanded in 2012 to include the nearby Punic tophet and Roman Antonine Baths, is one of the most internationally recognized designations in North Africa, and the site now operates as both a park and an active excavation under the Institut National du Patrimoine.

What strikes visitors most is the layering: Phoenician burial grounds, Roman mosaics, early Christian basilica remains and Byzantine fortifications all occupy the same coastal hillside, compressed into a small area that required a millennium of reuse, destruction and rediscovery to create.

The harbour district of Carthage, reconstructed on the ancient Punic and Roman layers, gives an impression of the scale of the ancient port: two artificial harbours, one military and one commercial, separated by an island with a naval base, whose layout can still be traced in the excavations even though the waterline has changed over the centuries. The archaeological park's museum holds mosaics, terracotta figurines and stelae recovered from the site, and the view from the museum terrace across the bay to the modern city of Tunis gives a sharp sense of continuity and change — the same water that served Carthaginian merchant ships now laps at the foundations of a twentieth-century capital.

The Antonine Baths are the best-preserved large-scale Roman civic baths in Africa and give a tangible sense of the engineering and communal life of the Roman province.

The site preserves both Punic and Roman layers, making it possible to walk between a Phoenician tophet and a Roman imperial bathhouse within a few hundred metres.

The 1979 UNESCO World Heritage inscription covers a cluster of major sites and the cultural landscape of the Carthage peninsula.