“Journeys to the margins” hold together a paradox of moral ideals and moral compromise. Theologically articulated as "justice and peace pilgrimages" and “witness visits” among other names, they are a burgeoning yet understudied genre of packaged travel in progressive American churches that promise moral transformation and cultivation of virtues like solidarity through encounters with marginalized persons. My book traces the development of journeys to the margins as a response to decolonial critiques of short-term mission and to liberation theologies that call for epistemological privilege of the poor and oppressed. To examine the possibilities and limits of journeys to the margins, I focus on one case study, “Come and See Tours” of Palestine & Israel co-organized by American and Palestinian Christians. Drawing on 18 months of ethnographic fieldwork with six Come and See Tours, I demonstrate that the most fertile spaces for moral formation on journeys to the margins are the moments in which moral ideals come into tension with the orientalist gaze on which tourism relies, creating space for travelers to grapple with complex moral questions and exercise moral discernment. Yet as the book demonstrates, even the American church’s justice-oriented projects can subtly reinforce Western imperialism. Can the transformative potential of journeys to the margins for American Christians justify their potential to essentialize and instrumentalize marginalized persons? And, does the danger of essentialism inhibit possibilities for solidarity? In response to these questions, I argue that North American churches organizing journeys to the margins have a moral responsibility to grapple with the complexity of their presence, probing the assumption that this form of travel is necessarily just simply because social justice is its organizing value. Such critical reflexivity lays necessary groundwork for authentic cross-cultural relationships of solidarity to emerge.