Dougga is an ancient Roman city located in northern Tunisia, approximately 110 km southwest of the capital city, Tunis. It was once a thriving city and was designated a UNESCO World Heritage site in 1997 due to its exceptional preservation and abundance of historical artifacts.

The city was founded by the Berbers in the 4th century BCE and was later controlled by the Phoenicians, Romans, and Byzantines. The Romans transformed Dougga into a major center of trade, agriculture, and religion. They built monumental structures, including a capitol, a forum, temples, and an amphitheater. The city was also adorned with impressive public works, such as an extensive aqueduct and public baths.

Some of the most notable structures in Dougga include the Capitol, which was built in the 2nd century CE and was dedicated to the Roman gods Jupiter, Juno, and Minerva. The Temple of Saturn is another notable structure that dates back to the 2nd century BCE, and was later converted into a Christian basilica in the 5th century CE. The Amphitheater, which was built in the 3rd century CE, is also an impressive structure, with a seating capacity of up to 3,500 people.

In addition to the city's architecture and public works, Dougga also has an impressive collection of ancient art and artifacts, including mosaics, statues, and inscriptions. Some of the most famous works of art in Dougga include the mosaic of the Seasons, which depicts the four seasons of the year, and the mosaic of the Three Graces, which depicts three goddesses from Greek mythology.

Today, visitors to Dougga can explore the ancient city and marvel at its well-preserved architecture and stunning artwork. The city is considered one of the best-preserved Roman sites in North Africa and provides a glimpse into the ancient history of the region.