In the early 1800s there was no English explorer greater than James Holman. He covered a distance almost twenty times farther than Marco Polo on foot or cart—almost never using trains or steamships. He travelled among 200 different cultures, charted undiscovered parts of Australia, and by October 1846 had visited every inhabited continent. He did all this despite being completely blind. How did Holman travel the world when any sort of international exploration was exceptionally dangerous? Learn how in this episode.   TO HELP OUT THE SHOW Leave an honest review on iTunes. Your ratings and reviews really help and I read each one. Subscribe on iTunes or Stitcher