Question

Australia's natural wonder that can be seen from space

Answer 1

Would be the deepest ocean depth in the world is found here.

Hope this helps!

Answer 2

Uluru
The vast and empty center of Australia is also home to one of its most dramatic and iconic features. Uluru, aka Ayers Rock, is a UNESCO World Heritage Site located within Ulura-Kata Tjuta National Park in the southern part of the Northern Territory.