2025 Retromobile is going to shine a spotlight on Adolphe Kégresse, and showcase his invention, the half-track. This innovative solution provided vehicles with the opportunity to move around in extreme environments, and aided in creating exciting automobile expeditions.

If you're not familiar with those expeditions, there was one across Africa, and one across Canada (I'm sure there must have been more I haven't heard of though)

After the cruise through Africa in 1926, 

http://justacarguy.blogspot.com/2014/10/from-algeria-to-mozambique-by-eight-10.html 

(which was a better post than this one) and before the cross Canada expedition http://justacarguy.blogspot.com/2009/12/failed-1934-expedition-acorss-canada-in.html

there was the cruise across China 

https://justacarguy.blogspot.com/2015/09/beyond-end-of-road-they-once-pioneered.html