In Idaho’s Cache National Forest, near the Utah border, lies one of the most geologically fascinating caves in the United States. Minnetonka Cave, the largest limestone cave in Idaho, is renowned for its unique rock formations and a maze-like structure created by ancient underground waterways (“Minnetonka” is a Native American word for “falling water”). The entire cave consists of nine chambers, connected across multiple levels, for which no natural exit has ever been found. Most famous, though, are Minnetonka’s many chambers, known by their nicknames inspired by oddly shaped stalactites and…
