If and when you visit Tunis, you will go to the Bardo Museum. The buildings themselves are a 13th Century Ottoman (technically, Husseinite) palace which has been a museum since 1888. It contains the world's largest collection of Roman mosaics, but the buildings are wonderful too.
This Mom and daughter were boat friends.
More Bardo photos below -
At the entrance, the usual and omnipresent billboard of the President:
I especially liked this one because it showed an ordinary Roman-style villa-farmhouse. Out of focus though:
Hunters:
Part of a gigantic floor mosaic:
A nifty door:
Part of the Bardo palace complex:
Better photos of the mosaics here.