On our way home, we drove straight through the Imperial San Dunes Recreation Area.
It just happened to be the second-busiest weekend for off-road riding. One guy said nearly 200,000 people were in the area riding their dune buggies, four-wheelers, motorbikes and big trucks across the sand.Farther north we encountered this stretch of highway and railroad track . . .
Where we found this rock graffiti.
There were hundreds of messages laid out along the raised railroad bed as far as we could see in both directions.
We finally returned to civilization (or something close to it) at a place called Vidal Junction, which marks the intersection of two desert highways.