'Whistler and Roussel' at the Art Institute of Chicago
The American-born artist James McNeil Whistler had a profound impact on his 19th century European contemporaries. An exhibition at the Art Institute of Chicago looks at Whistler's artistic vision – and his influence on a little-known French artist held in high regard by curators and collectors.
Big Greek Food Fest of Niles

Outdoor concerts, food and art highlight this weekend's roundup of summer events.