William Least Heat-Moon — American Writer born on August 27, 1939,

William Least Heat-Moon, also named William Lewis Trogdon , is an American travel writer and historian of English, Irish, and Osage ancestry. He is the author of various bestselling books of topographical U.S. travel writing... (wikipedia)

Be careful going in search of adventure - it's ridiculously easy to find.
I have not been on any river that has more of a distinctive personality than does the Missouri River. It's a river that immediately presents to the traveler, 'I am a grandfather spirit. I have a source; I have a life.'
Beware thoughts that come in the night.
The negative cost of Lewis and Clark entering the Garden of Eden is that later expeditions regardless of what they were intended to do, later expeditions did not deal with the native peoples with the intelligence with the almost kindly resolve that Lewis and Clark did.
When you're travelling, you are what you are right there and then. People don't have your past to hold against you. No yesterdays on the road.