![NOAA map of the Lewis & Clark Expedition](/common/uploads/grid_builder/travellewisandclark/crop16_9/7967F40F-1DD8-B71B-0B600C9CEEA7C37C.jpg?width=640&quality=90&mode=crop)
Expedition by State
Learn about Lewis & Clark sites categorized by the states in which you can visit them.
![William Clark's engraved signature in Pompey's Pillar from 1806](/common/uploads/grid_builder/travellewisandclark/crop16_9/7A2E6711-1DD8-B71B-0BFCCD8E3D2933F6.jpg?width=640&quality=90&mode=crop)
Expedition by Date
Learn about the sites that the Lewis & Clark Expedition traveled through chronologically
Last updated: November 1, 2017