Don Mankin, a Los Angeles–based psychologist, business consultant and frequent traveler (left), and Shannon Stowell, president of the Adventure Travel Trade Association. They are coauthors of Riding the Hulahula to the Arctic Ocean: A Guide to 50 Extraordinary Adventures for the Seasoned Traveler (National Geographic).
For the seasoned traveler America and Canada contain vast tracts of unspoiled, unforgettable territory that most people never get to…
