1. Richard Serra: Rolled and Forged
At Gagosian Gallery Through August 11
Five new steel sculptures.
2. Michael Heizer
At PaceWildenstein Through September 23
Eight large-scale stone sculptures, exhibited together for the first time in the United States.
3. A. R. Penck
At Leo Koenig Through August 5
Major paintings from the sixties to the eighties by the German artist.