Kaprow created Yard for Hauser & Wirth's opening New York show, Environment - Situations - Spaces. In this seminal work he recreated a junkyard, in the then Martha Jackson Gallery's backyard, creating an immersive environment with which the audience interacted. This work contained a high element of play, but within the boundaries Kaprow had prefixed. The piece illustrates sculpture's expansion in scale and the increasingly blurred boundaries between a "life like" and an "art like" art. In Kaprow's determination, there was no distinction between the viewer and the artwork; the viewer became part of the piece.
Inspired by a true story, Invincible recounts the last 48 hours in the life of Marc-Antoine Bernier, a 14-year-old boy on a desperate quest for freedom.