Join historians, survivors and experts as they consider one of the great moral dilemmas of the 20th century. Should the Allies have risked killing Auschwitz prisoners and bombed the camp to stop future atrocities?
Follow an investigation into the centuries-long construction of Notre Dame de Paris, uncovering the vast architectural, technical, and human challenges experienced throughout the history of one of the world's most celebrated buildings.
Swedish archaeologists prove through a DNA study that remains found in the burial chamber of a Viking warrior in 1878 are that of a woman -- not a man.