Looking from County Road R, off the highway and deep in the Wisconsin countryside, visitors can spot a ruined building from the road. While an intriguing destination in its own right, they may be surprised to learn that this husk was once one of the most cutting-edge and high-end resorts in the state of Wisconsin. Today, the former site of the Maribel Caves Hotel remains a destination for local trailgoers and intrepid explorers. The history of this location begins with Father Francis X. Steinbrecher, the child of Austrian immigrants who…