The destruction of ancient monuments and artworks by the Taliban in Afghanistan and the Islamic State in Iraq and Syria has shocked observers worldwide. Yet iconoclastic erasures of the past date back at least to the mid-1300s BCE, during the Amarna Period of ancient Egypt's 18th dynasty. Far more damage to the past has been inflicted by natural disasters, looters and public works. Art historian Maxwell Anderson's 'Antiquities' analyzes continuing threats to our heritage and offers a summary of the challenges that lie ahead.