From Picasso at his mightiest to gods of American cool: the hottest art shows of 2018

Picasso reveals his most erotic year, Andreas Gursky predicts the post-truth era, O’Keeffe and Hopper hit Oxford – and the only way is Sussex for William Blake in our exhibitions preview

Wet docks, giant ducks and the zero-waste city: the best architecture and design of 2018

Windermere catches a wave, the V&A unveils the city of tomorrow, and Hope to Nope harnesses the explosive power of graphic design