United States of America
Crawford State Park Heritage Site is a 40-acre (16 ha) Washington state park located 11 miles (18 km) north of Metaline on the Canada–United States border in Pend Oreille County. The park preserves Gardner Cave, one of the longest natural limestone caves in the state. The cave is approximately 2,072
feet (632 m) feet in length and has stalactites, stalagmites, rimstone pools, and flowstone. The park is open and offers cave tours on a seasonal basis.
Listen to the audio guide for Crawford State Park Free on WIP — starts by itself when you arrive, even with the screen off