ocr: 360 Degrees of Wind Cave NationalPark One of the world's longest: and most complex caves and 28,295 acres of mixed-grass prairie, ponderosa pine forest, and associated wildlife are the main features of the park: The cave is well known for its outstanding display of boxwork, an unusual cave formation composed of1 thin.calcite finsresembling honeycombs. The park's mixed-grass prairie is one of the few remaining and is home to native wildlife such as bison., elk, pronghorn, mule deer, coyotes, and prairie dogs. Explore the Virtual Landscape Click on anya dot on the map to begin your tour Northern ...