If you missed the show at the Met, you have a second chance at London’s National Gallery. “Siena: The Rise of Painting, 1300–1350,” through June 22, nationalgallery.org.uk Harry Winston painted vivid ...

With their cheery golden hue, majestic heads and ability to follow the sun as it arcs across the sky, sunflowers have become synonymous with summertime, living metaphors of faith, divinity and ...