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All you need to know about this week-long celebration of museums and galleries across the ÃÛÑ¿´«Ã½.

Exploring the importance of nature in art at the Scottish National Gallery.

The charity aims to change the way people think about homelessness. It is currently homeless itself and is setting up on the streets.

Cerys explores St Fagans Museum and the old Cardiff pub being rebuilt on site, brick by brick.

Emma Dabiri explores paintings by Susanna Drury displayed in the Ulster Museum, Belfast.

Artist Lachlan Goudie explores Paul Gauguin's painting Vision After the Sermon at the Scottish National Gallery.

A special-access tour of the Artemisia Gentileschi blockbuster exhibition billed as Tarantino meets Caravaggio, a bloody tale of tragedy and triumph with a twist.

Artist Lachlan Goudie visits the Scottish National Gallery to explore the relevance of a much-loved collection to the challenges we face today.

Cerys Matthews shares her passion for St Fagans National Museum of History in Cardiff to reveal a story of community spirit that spans millennia.

Emma Dabiri uses artworks held in the Ulster Museum in Belfast to explore a different way of seeing the world – through the eyes of artists.

Tour some of the greatest masterpieces by Titian as we go behind closed doors at the National Gallery's exhibition.

Simon Schama tours the Young Rembrandt exhibition at the Ashmolean Museum, Oxford.

Alastair Sooke's insights at the Tate Modern's Warhol exhibition.

Mark Gatiss explores the life of Aubrey Beardsley, whose work still shocks today.

Inside the Museum of London's showcase of insights on the 40th anniversary of the seminal album by The Clash.

Dr James Fox heads to Tate Britain to make the argument that, in difficult times, art is needed more than ever.