Jewel Cave National Monument

Jewel Cave National Monument is situated in the Black Hills of South Dakota and is renowned for its intricate and extensive cave system, which is recognized as one of the longest in the world. With over 200 miles of mapped passages, the cave presents an underground maze filled with calcite crystals, stalactites, and stalagmites. The monument offers an array of geological wonders that captivate speleologists and casual tourists alike. The monument was discovered in 1900 and was designated by President Theodore Roosevelt in 1908. Above ground, the park offers lush forests, blooming wildflowers in spring, and a variety of wildlife such as deer, elk, and numerous bird species. Visitors can engage in guided cave tours or explore the surface trails that provide panoramic views of the surrounding terrain. Jewel Cave's underground world is complemented by its unique above-ground ecosystem, making it a dual attraction for recreation enthusiasts and nature lovers.