Episodes

Join experts as they uncover the truth behind the find of the century: an alleged proof copy of Galileo’s “Sidereus Nuncius,” which changed our understanding of the cosmos. This copy included his signature and seemingly original watercolor paintings.

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 turbulent history of one of the world’s most celebrated buildings.

Join a team of archaeologists as they examine one of the most significant Viking graves ever found and test the DNA of the remains of the female warrior buried inside, rewriting our understanding of Viking society.

Join three groups of treasure hunters, armed with modern technology and newly uncovered clues, as they set out to find the lost treasure of notorious Prohibition-era gangster Dutch Schultz and solve an 85-year-old mystery.

What if climate change and pandemics were the real causes of the decline of the Roman Empire? Scientists from a range of disciplines are accumulating clues to show that three successive waves of deadly epidemics and powerful temperature drops could have caused the collapse of the Empire — and draw frightening parallels to today.