Bicycling the Lewis & Clark Trail

NPR's Savvy Traveler had a story about a pair of cyclists who rode the Lewis & Clark Trail:
"Jo and I just pulled into Missouri's Arrow Rock Campground. That's Farrell Adkins, the campground host. We're bicycling from Saint Louis to North Dakota, the Lewis & Clark trail, along the Missouri River.

When you follow a major river like the Missouri, you're following civilization, the ebb and flow, war and peace."