Lewis and Clark Expedition The exploration of North America was the undertaking of adventurers. Typically, these adventurers were enthusiastic young men accustomed to hard living, unforeseen twists and turns in their venture, and many adversities. These traits characterize the famous Lewis and Clark Expedition of the early nineteenth century. Inside you will read about... - The Mission - Meriwether Lewis - William Clark - Departure - To the Pacific - The Return Trip And much more! This is a tale of forging into unknown territory, encountering indigenous people of various tribes, discovering plant and animal life never seen before, and most importantly, it is a story of laying claim to it all for the young nation of the United States of America. The story unfolds over more than two years, and the results were instrumental in building a nation from sea to sea.