Late Rome's great nemesis, Sassanian Persia, tends to get overlooked in favor of its Achaemenid and Parthian predecessors. The Asia Society is giving them some time in the spotlight with their new exhibit, "Glass, Gilding, and Grand Design: Art of Sasanian Iran (224–642)."
The New York Sun has a review up. The New York Times review is better but, of course, requires a login.
ETA: Additional coverage with pretty pictures over at PhDiva.