Performa 11, the 4th edition of the biennial of visual art performances, showcases new works by more than 100 artists. That and more in this week's top picks.

Performa 11, the 4th edition of the biennial of visual art performances, showcases new works by more than 100 artists. That and more in this week's top picks.
“An American Collection” at the National Academy Museum, “Silver Screen/Silver Prints: Hollywood Glamour Portraits from the Robert Dance Collection” at The Grolier Club, and more.