There are several default choices for those who want to go off-roading. Some examples include the Jeep Wrangler, Toyota 4Runner, or other old 4x4 pick-ups. There are the braver ones who prefer to take something else off-road. The more unusual it is, the better.
Volkswagen isn't exactly a go-to brand when it comes to off-roaders. There is the Amarok pick-up, but it's not available in the US. However, there are the dune buggies and lifted camper vans that come up from time to time. But for Instagram user calivwbus, he used a more unique and rarer platform.
