Crossing the Mexico-US bor­der with­out au­tho­riza­tion is now a life-threatening jour­ney. As un­documented mi­grants travel north, they trans­form the land­scape in small, yet sig­nif­i­cant ways through the things they leave be­hind, from shel­ters and shrines to quo­tid­ian ob­jects. Whether ephemeral or en­dur­ing, these land­scapes in­vite com­pelling ques­tions about the sen­sory di­men­sions of mi­gra­tion, the ways geo­politics, bodies, and desert lands meet.