Just at one end of the old city is an impressive looking castle. Sadly because this region is gearing up to 2019 when Matera is one of the voted European Cities of Culture many of the buildings in the cities in the region are bring renovated. I say sadly …..of course this is a great thing but it means that much of the castle is out of bounds while the work is done. Basically you get to see 4 rooms and an awful modern art exhibition.
Still you get an idea of the place and it’s still worth the €3.