Lewis and Clark Interpretive Center, near Washburn LEWIS AND CLARK HELLO, EXPLORERS! BRING YOUR EXPEDITION. Come and 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 that same hospitality. Knife River Indian Villages National Historic Site, near Stanton The explorers chose this area for their winter camp along the Missouri River. Here they saw grizzly bears, giant cottonwood trees and the Knife River Indian Villages with a population larger than St. Louis. Though it has changed, this is still the same mighty river that drains a watershed of more than a half-million square miles from ten states and two Canadian provinces. 52 1-800-HelloND (435-5663)