Cincinnati, Ohio, National Underground Railroad Freedom Center, slaves, slavery, museum, history, exhibits, American Civil War, Civil War, artifacts, photos, artwork, diaries, Slave Pen, cabin, Mason County, Kentucky, John W. Anderson, possessions, punishment, From Slavery to Freedom, Native Americans, European indentured servants, Caribbean, North America, South America, Atlantic Ocean, Abraham Lincoln, Emancipation Proclamation, Human Rights, Berlin Wall, communism, East Berlin, West Berlin, East Germany, human trafficking, sex trade, sex trafficking, The Journey to Freedom,