The Bilbao effect: how Frank Gehry’s Guggenheim started a global craze

Opened 20 years ago this month, the glittering titanium museum had a wow factor that cities around the globe were soon clamouring to copy

Exhibition at New York’s MoMA embraces fashion for second time

The Museum of Modern Art last devoted a show to clothes in 1944. Its new show considers the last 100 years of dress

Audrey Hepburn exhibition celebrates star’s enduring appeal

From her Burberry mac to Givenchy dress, the actor’s private possessions go on show in London before largest-ever auction

Mocaa, Cape Town: grain silo reborn as Africa’s answer to Tate Modern

Thomas Heatherwick pulls off an awesome act of architectural mutilation – just don’t mention the luxury hotel upstairs

The joy of specs: eyewear’s starring role in cinematic history

A new exhibition explores how glasses have played a part in film narratives – and their journey from geek prop to urban must-have