In 1666 Sieur de La Salle left France and sailed across the Atlantic Ocean to New France, a colony in present-day Canada. He wanted to explore new lands and even sail to China. On La Salle's most famous expedition, he traveled down the Mississippi River and claimed the Louisiana Territory for France. How do we know about La Salle's journeys and the native peoples he encountered along the way? Through letters, maps, and images recorded by La Salle and his companions! Travel with him across oceans and beyond, and explore primary sources to learn more.