If you're tired of reading about Gunther, there's always Jim Rogers and Paige Parker's ".. historic, three-year journey around the world, which began Jan. 1, 1999 and ended Jan. 5, 2002. This first true All Activity Vehicle combines the comfort and styling attributes of the Mercedes-Benz SLK 230 sports car with the sturdy durability of the legendary Mercedes-Benz G-Series wagon. It helped Paige and Jim set a Guinness World Record."
The web page - http://www.jimrogers.com/thrill/index.html
The book - Adventure Capitalist: The Ultimate Road Trip