Approximately 44,000 concentration camps and ghettos existed across Nazi-occupied Europe and North Africa during World War II. These incarceration sites, which Adolf Hitler used as a mechanism to terrorize and eliminate non-Aryan groups (those seen as “subhuman,” “useless eaters,” and not part of the pure, white, Germanic race), ranged from small barns to compounds with populations of a medium-sized city. These extensive networks of ghettos, transit camps, women’s camps, forced labor camps, and extermination camps, to name a few, played a central role in the Holocaust—the annihilation of six million Jews—as well as the mass murder of millions more Poles, Roma and Sinti, homosexuals, people with disabilities, social outcasts, Jehovah’s Witnesses, as well as other political and religious opponents. In addition to text, images, and artifacts, personal testimonies from local Holocaust survivors offer painful insights into these excruciating landscapes of degradation and dehumanization.