The book "History of the Expedition under the command of Captains Lewis and Clark, Volume 2. To the sources of the Missouri River, through the Rocky Mountains and down the Columbia River to the Pacific Ocean. Made during the years 1804-5-6" is a detailed account of the unique journey of the American explorers Lewis and Clark through the uninhabited expanses of North America. In this book, authors William Clark and Meriwether Lewis share their impressions of meeting local tribes and natural wonders, describing the obstacles and trials that the expedition members had to overcome. This is an unforgettable journey to the frontier of discovery, which leaves its mark in the history of exploration and development of the Wild West.