In the thirteenth century, Italian merchant and explorer Marco Polo traveled from Venice to the far reaches of Asia, a journey he chronicled in a narrative titled Il Milione, later known as The Travels of Marco Polo. While Polo's writings would go on to inspire the likes of Christopher Columbus, scholars have long debated their veracity. Some have argued that Polo never even reached China, while others believe that he came as far as the Americas. Now, there's new evidence for this historical puzzle: a very curious collection of fourteen little-known maps and related documents...