Butter co-founders Mali and Alan Bacon and their collaborators will take the Butter art fair model to the west coast next year.

The Weis family savored their masterpieces at home but didn’t lend them to museums. The trove was “so private” that a Christie’s expert didn’t know what was in it.

This year’s Triennale invites viewers to confront environmental trauma as something geologically embedded, not merely socially constructed.