At first glance, Jessica Ingram's landscape photographs could have been made nearly anywhere in the American South: a fenced-in backyard, a dirt road lined by overgrowth, a field grooved with muddy tire prints. These seemingly ordinary places, however, were the sites of pivotal events during the civil rights era, though often there is not a plaque with dates and names to mark their importance. Many of these places are where the bodies of activists,...