I was doing some research on a Willys Overland site in downtown Denver when I stumbled upon a blog from 2013 about Jean and Dan. They rebuilt a 1950 Wagon they called Jenny, then traveled 10,300 miles through 15 states to visit 12 western National Parks over 63 days.
This link summarizes the trip, with the latest posts at the top: http://www.ati-engineers.com/blog.
there are lots of pics and videos.
This link summarizes the build: http://www.ati-engineers.com/willys-trek-2013/history-of-our-jeep.html
This example video highlights a drive across Hoover Dam, with music playing and the engine chugging happily:

























