Geert van Keulen is an experienced traveller and making long solo trips is not unknown to him. In Australia he discovered a love for nature and for unspoiled wilderness. Hiking was his passion but a serious back injury ended that prematurely but he could continue his long journeys on the bike. Geert hiked long routes through New Zealand, Nepal, USA, Tasmania, and South Australia, and a two month hike through the French and Spanish Pyrenees from the Atlantic coast to the Mediterranean coast. In 1997 Geert was involved in a hiking accident that changed both the lives of his hiking partner Warren Macdonald and that of himself. This accident happened on tropical Hinchinbrook Island when a boulder broke off a mountain and fell on Warrens legs. They survived a horrific night in the rain and the 46 hours later Warren was rescued. This experience was later documented by Discovery Channel and released as "I Shouldn't Be Alive, Trapped Under A Boulder". It led to an invite by Oprah Winfrey.