This unsung southern US city boasts world-class mountain biking, a thriving art scene – and a Walmart museum

Nestled in the foothills of the Ozark Mountains in Arkansas, Bentonville has not yet found its place on the tourist trail, but Ellie Seymour finds that the city’s arty charm along with a rich American history and beautiful natural landscapes on its doorstep are the ingredients for a perfect US getaway