Mark Junge wants to prove that he can go on bike tours too, even though he's a daily supplemental oxygen user.

Junge, a retired historian, photographer and writer from Wyoming, is leaving New York City this week for a 816-mile bike tour to Charleston, South Carolina. He expects the bike ride to take about two weeks.

The bike traveler suffers from blood clots in the lungs, a Chronic Obstructive Pulmonary Disease that makes it difficult for him to breath. Instead becoming inactive because of the disorder, however, Junge gets on his bike to motivate others with the condition to go out and live a full life ....   more »