Charles and Diana in Australia at Uluru

Uluru, also known as Ayers Rock and officially gazetted as Uluru / Ayers Rock, is a large sandstone monolith. It crops out near the centre of Australia in the southern part of the Northern Territory, 335 km south-west of Alice Springs.
  • Elevation: 863 m (2,831 ft)
  • Prominence: 348 m (1,142 ft)
  • Rock age: 550–530 Ma
  • Mountain type: Inselberg
  • Rock type: Arkose
Data from: en.wikipedia.org