In the future, our vehicles will be able to move on all kinds of surfaces and even fly. We are not there yet, but Halluc II provides a glimpse of how vehicles might perform in the future. It has 56 motors that enable it to travel on unpaved surfaces. It has vehicle, insect, and animal modes.
The above video shows Halluc IIx, the newest creation of the Hallucigenia project, in action. More information is available here.