It never ceases to amaze me how far Man will go, what dangers he will face, in order to penetrate the unknown. To us, the Lewis and Clark expedition was just an early attempt to explore the northwest of our country. But when you really look at what those men did and the dangers they faced, you have to wonder what drives men to do this sort of thing.They are only one example. The attempts by the Greeks and the Romans to discover the source of the Nile River, Christopher Columbus, and the settlers at Jamestown are just a
