Baths of Antoninus - Credit: Wikimedia Commons
The Baths of Antoninus or Baths of Carthage, located in Carthage, Tunisia, are the largest set of Roman thermae built on the African continent and one of three largest built in the Roman Empire. They are the largest outside mainland Italy. The baths are also the only remaining Thermae of Carthage that dates back to the Roman Empire's era. The baths were built during the reign of Roman Emperor Antoninus Pius. Read more on Wikipedia
Source: en.wikipedia.org