Sip back and discover Karlu Karlu, also known as the Devils Marbles, in Australia’s Northern Territory, a geologically and culturally significant conservation reserve south of Tennant Creek. Discover ancient Paleoproterozoic granite boulders shaped by magma intrusion, erosion and exfoliation, deep Dreamtime connections to the Rainbow Serpent, desert wildlife, bush trails, and visitor guidance for this sacred landscape on the Stuart Highway.