Traveling in a cycle of thought

At 18, Silas Sherbourne wasn't sure what to do with the rest of his life, so he left home the day he graduated from high school and hit the road - on one wheel.

Sherbourne is unicycling 4,000 miles across the country to Savannah, Georgia, for a cause and for some clarity.

"I concluded that the best action for me was to spend some time after graduation meditating on what really matters to me, in or...