Video from 2012. The archaeological site of Sepphoris in Galilee includes "a Roman theater, two early Christian churches, a Crusader fort renovated by Zahir al-Umar in the 18th century, and over sixty different mosaics dating from the third to the sixth century CE," according to Wikipedia.
"A team has discovered hundreds of fragments belonging to frescoes from the Roman period, in the Zippori National Park. The fragments, which contain figurative images, floral patterns and geometric motifs, shed light on Zippori (Sepphoris), which was an important urban center for the Jews of the Galilee during the Roman and Byzantine periods." Source: Science Daily.