Are you looking for an activity on a rainy day? Wander around the interesting displays at Cathedral Museum. There's always an opportunity to learn something new.
If you're staying a while in Mdina, Cathedral Museum is a good place to kick off your sightseeing. This museum is one of many attractions worth seeing here. Blue Grotto, Golden Sands Beach, and Catacombs of St. Paul and St. Agatha's Crypt are also waiting to be explored nearby.
