Muṯitjulu Waterhole is a rock hole located at the base of Uluṟu in the Northern Territory of Australia. It's named after its knee-like shape and is a significant site for the local Anangu people. The waterhole holds cultural and spiritual importance, and visitors need permission to access it. It's a beautiful spot where you can learn about the stories and traditions of the area while taking in the stunning natural surroundings.