Navigating the World
British adventurer Jason Lewis was the first person to successfully circumnavigate the globe using only human-powered navigation—no motors, no sails. He hiked, biked, roller bladed, pedaled a paddleboat, and kayaked (above, in Indonesia).
Photograph by Tammie6123, courtesy Wikimedia. This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License.