"Making a Classic Modern: Frank Gehry's Master Plan for the Philadelphia Museum of Art," through Sept. 1 at the Philadelphia Museum of Art, 26th Street and the Benjamin Franklin Parkway.
Hours: Tuesday through Sunday: 10 a.m.–5 p.m.; Wednesdays and Fridays until 8:45 p.m.
Admission: Adults, $20;
65 and older, $18; students with valid ID, $14; 13–18, $14;
12 and younger, free.