Turn left at the timeline to the “Journeys: The Peopling of America, 1550-1890” gallery (the entry will be on your right). Once in the gallery, walk straight ahead all the way down the exhibit (keeping to the left) until you reach a ramp at the far end of the exhibit hall. Turn left down the ramp or nearby steps. You’ll then spot a small alcove with an art piece in the shape of a large green tree. Pause here.