Okay, I'm smitten. They did  800 miles in the wilderness this summer; last year it was two months on a glacier. See <a rel="nofollow" class="external text" href="http://www.groundtruthtrekking.org/blog/">www.groundtruthtrekking.org/blog/</a>. For their adventures
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/11376383@N00">Joseph</a> from Cabin On The Road, USA
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/umnak/10251078153/">Katmai &amp; Lituya</a>