Natural Stone Bridge and Caves

Natural Stone Bridge and Caves is park with a system of eleven marble caves and karst formations, operated as a show cave located in Pottersville, New York. Visitors to the park can walk a trail which features the eponymous Stone Bridge Cave, advertised as the "largest marble cave entrance in the eastern United States", small caves, potholes, and various other karst features along Trout Brook.

Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).