Was Revolutionary War hero General Pulaski actually a woman? Did Ronald Reagan secretly order a cyberattack on the Soviet Union during the Cold War? Was America's heartland the true birthplace of the Spanish flu? Modern historians, equipped with state-of-the-art technology and newly discovered evidence, are rewriting the narratives of our nation's most iconic stories. Follow teams deep into America's past as they uncover the truth about the Salem witches, a spy network behind Pearl Harbor, and more.