Uluru, also known as Ayers Rock is a large sandstone rock formation in the southern part of the Northern Territory in central Australia. Uluru rises to 348 meters above the plain. Uluru is sacred to the Aboriginal people. Discovered by the Westerners in 1873, Uluru is listed as a UNESCO World Heritage Site. Uluru and Kata Tjuta, also known as the Olgas, are the two major features of the Uluṟu-Kata Tjuṯa National Park.