Capes Foundation Jewel Cave Fully Guided Tour photos More Capes Foundation Jewel Cave Fully Guided Tour photos tours ‹ • Western Australia's largest show cave• Three enormous chambers of crystal formations• One of the world's longest straw stalactites• Story of the Tasmanian tiger fossils found in the cave• Café overlooking the karri forest Capes Foundation Jewel Cave Fully Guided Tour from $25/person Start: Augusta End: Augusta ›