The team of three friends has, over the years and across thousands and thousands of miles, proven to be excellent travel companions.
They have been from 11,000 ft to minus.
This is an account of their momentous 4,000-mile, two-month adventure across seven states: from Denver, Colorado, to Mammoth Lakes, California.
After testing their mettle bouncing across the wilds of Southern Africa in two off-road vehicles, and having published books about it, it was time to test the wilds of Western USA.
The team of three friends has, over the years and across thousands and thousands of miles, proven to be excellent travel companions