When it was published in 1610, Galileo’s Sidereus Nuncius (Starry Messenger) set in motion a scientific revolution. Using observations he made of both the earth’s moon and Jupiter’s moons, Galileo proved earth is not the center of the universe. Five hundred and fifty copies of the original treatise were originally printed and roughly 150 are known to exist today. When an original copy with Galileo’s signature and seemingly original watercolor paintings of the phases of the moon believed to be done by Galileo himself came on the market in 2005, Sidereus Nuncius caused a worldwide sensation 400 years after its creation… and again in 2012 when it was proved a fake.

On December 3, 1944, The Washington Post published an editorial on the atrocities in Auschwitz with the headline “Genocide,” marking the first time the word appeared in a national newspaper.

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 a team of investigators as they search for the identity of the captain of a “mystery ship” that turned away from the “unsinkable” Titanic in its darkest hour, abandoning thousands of lives to the icy waters and their deaths.

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.