Although some perceived the advent of the locomotive as a threat to the countryside, by allowing artists a quick and easy way to travel, it broadened their choice of painting horizons, discovers Carla Passino

Exhibition of the week William Nicholson Pallant House ...

Turner is on our banknotes, Constable in our hearts

No chance to travel? No problem: from Italy with Pompeo Batoni to the US with Edward Hopper, you can tour the world with artists instead, suggests Maev Kennedy

The piece I’d never part with

Leigh Lawson has embraced acting and poetry with the same determination that sustained Marie Lloyd, the music-hall queen whose memorabilia he collects, as Carla Passino discovers