Sand Cave is a natural cave located in Kentucky, known for its unique geological features. It is part of the Mammoth Cave National Park system, which is famous for its extensive underground passageways. The cave is primarily composed of sandstone, giving it a distinct appearance compared to limestone caves. Visitors to Sand Cave can explore its fascinating formations, including stalactites and stalagmites. The cave also serves as a habitat for various species, including bats. Access to Sand Cave is typically regulated to protect its delicate ecosystem and ensure visitor safety.