As well as the main national museum in Cardiff, the free visitor sites include the Big Pit mining museum at Blaenavon in south east Wales and the Welsh Slate Museum at Llanberis in north Wales.
As well as the flagship museum in Cathays Park, Cardiff, other free-entry venues included the Big Pit mining museum at Blaenavon, south east Wales, and the Welsh Slate Museum at Llanberis, north Wales.