Jenolan Caves are a series of limestone caves located in the Blue Mountains of New South Wales, Australia. They are known for their stunning formations, including stalactites and stalagmites, and are one of the oldest cave systems in the world, estimated to be over 340 million years old. The caves offer various guided tours, showcasing their unique geological features and rich biodiversity. Visitors can explore different chambers, such as the Lucas Cave and the Imperial Cave, each with its own distinct characteristics. The area surrounding the caves is also home to diverse wildlife and beautiful natural scenery.