Against the odds, Spain's US-branded museum has drawn more than 20 million visitors since it opened in 1997

As the Guggenheim Bilbao turns 20, we look back at some of the cities that considered, but abandoned, their own branch of New York's Solomon R. Guggenheim Museum

From Modigliani’s "indecent" nudes to two shows exploring very different relationships

More than 100,000 Soviet and Eastern European objects find new home in former Armory

From Pussy Riot's immersive penal colony installation to a final chance to see Francis Kéré’s Serpentine Pavilion

Improvements are well documented, but rules are still inadequately enforced

From the British Museum's Lion Man to Matisse's studio studies at the Royal Academy

Cambridge house-museum and its art influenced the student Nicholas Serota to switch from economics to art history

Roman museum aims to become the primary reference for scholarship on the artist

French artist has filled the 13,000 sq. m space in Paris with an exhibition based on the days of the week

From John Akomfrah’s video on the threat of climate change to Nick Goss’s paintings of a great flood via Katharina Grosse’s paint-splashed walls

Light show by 59 Productions charts the history of the Spanish museum

From Max Ernst and Dorothea Tanning to Cy Twombly and Robert Rauschenberg, we look at how relationships can feed creativity

The unlikely friendship of Dalí and Duchamp is explored at the RA, while Superflex turn Tate Modern into a playground

From Cate Blanchett performing artists' manifestos to an animated Van Gogh biopic

Artist’s many influences explored in scholarly exhibition comprising more than 100 pieces at the Barbican

South London institution wants visitors to feel emotional connection to anthropology collection

From slick and surreal photographs at the Serpentine to art in canal boats for the Art Licks Weekend

Artists invited to create sculptural works with archaeological fragments held in deep storage

UK startup Smartify partners with major museums worldwide, from the Met to the Hermitage

From Basquiat’s booming Barbican blockbuster to Jasper Johns’s first UK retrospective in 40 years

The window display format is making a comeback with a new work by Alex Da Corte in the empty storefront next door

Museum says price increase for show’s last weeks will cover extra costs from extended run

German-born sculpture specialist was first non-Italian to lead prestigious Florentine institution

New legislation eases movement of post-war Italian art out of the country, lifts restrictions on photography in state archives

Altarpiece taken from Italian church in 2014 and rolled up inside a carpet lost 30% of surface paint

Exhibition in 2018 will show fragment of Titanic first-class lounge and works by Le Corbusier and Stanley Spencer

Yorkshire Sculpture International exhibition at four partner venues secures Arts Council backing

Council of State says government can consider non-Italians for new director post