Tutankhamun–The Golden Beyond: Treasures From the Valley of the Kings, at the Antikenmuseum in Basel, Switzerland, through Oct. 3, brings together 50 small but choice objects from the famous tomb.
Joan Miro, 1917-34 focuses on the best two decades in the Catalonian artist’s long career in abstraction. At the Centre Pompidou in Paris through June 28.
Schwitters/Arp gathers 140 works by the two most renowned collagists of the 20th century (Kurt Schwitters got the technique from Hans Arp, who learned from Picasso). Through Aug. 22 at the Kunstmuseum in Basel.
James Rosenquist: A Retrospective displays the pop artist at his charmingly bombastic best at the Guggenheim in Bilbao, Spain, through July 11.
Life, Love, and Death: The Work of James Lee Byars, at the Schirn Kunsthalle in Frankfurt through July 18, traces the nomadic career of the inventive installation artist, who died in 1997 at 65.
Giuseppe Penone documents the grandee of arte povera (art made from “abject” materials). At the Centre Pompidou through Aug. 23.
At Florence’s Galleria dell’Accademia, Michelangelo’s newly restored David looks whiter and brighter than he has in ages.
