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.

BBC: Tourist venues call for free entry help

Also open to the pubic for free from 1 April are the flagship Museum of Welsh Life at St Fagans, near Cardiff, the Roman museum at Caerleon and the Turner House Galley in Penarth.

BBC: Museums launch free entry

The National Gallery is the country's flagship museum.

WSJ: Corcoran Gallery of Art | Another Museum Mulls Pulling Up Stakes | By Eric Gibson

Designed by star architect Norman Foster and located on the northern shore of Victoria Harbor near the International Commerce Centre, it will include major performance venues, a flagship museum for contemporary visual art, a sizable park, rehearsal and studio areas, as well as dedicated spaces for recitals and shows when finally complete.

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The Memory of the World Programme serves as UNESCO's flagship activity to promote and protect archives, libraries and museum collections worldwide so that they can be consulted by later generations.

UNESCO: MEDIA SERVICES