WELCOME, EXPLORERS! Come see where the Lewis and Clark expedition, also known as the Corps of Discovery, spent more time than any other place on their journey. This was an adventure that shaped the nation, and their winter camp location was chosen for its friendly, hospitable reputation. Follow the Lewis and Clark Trail today and enjoy the same hospitality. Fort Mandan State Historic Site, Washburn Visit the Lewis and Clark Interpretive Center in Washburn to learn the story of the expedition and its time with the Mandan and Hidatsa tribes. See real artifacts from the expedition and exhibits of the region’s rst farmers. Near the interpretive center, visit the Fort Mandan State Historic Site. This is the reconstructed base where Lewis and Clark spent the winter of 1804–1805. Here, they met Sakakawea, the Native American woman who would join their journey. West of Williston, the Missouri-Yellowstone Con uence Interpretive Center marks the con uence of these two mighty rivers and highlights the fur trade era and the Corps of Discovery. See the same views the Lewis and Clark Expedition enjoyed and visit Fort Union Trading Post National Historic Site. 53 NDtourism.com