Today's guest botanist Rick McCourt tells the story of Lewis and Clark's collection of plant samples that went on a wild ...

Six accounts by Corps members (a woodcut, from Gass' journal, 1810 edition) have provided grist for generations of historians. Library of Congress As the Lewis and Clark bicentennial approaches ...

Brad Winn, site superintendent since 2001, has helped the Lewis and Clark State Historic Site attract 100,000 visitors each ...