About Lewis and Clark Schedule of events to the signature sites Get the latest on the signature sites Contact Us Montecello, Charlottesville, Virginia, #1 Louisville, Kentucky, #2 Clarksville, Indiana, #3 St. Louis, Missouri, #4 and #16 Hartford, Illinois, #5 St. Charles, Missouri, #6 Kansas City, Missouri, #7 Omaha, Nebraska, #8 Oacoma/Chaimberlain, South Dakota, #9 Circle of Cultures, North Dakota, #10 Great Falls, Montana, #11 Fort Clatsup, Oregon, #12 Lewiston, Idaho, #13 Billings,  Montana, #14 New Town, North Dakota, #15