The hidden ocean: Why Australia’s invisible underground water system is larger than the entire state of Alaska

Beneath Australia's arid outback lies a vast, hidden underground ocean, the Great Artesian Basin, larger than Alaska. This ancient water source, some two million years old, is under immense pressure, naturally flowing to the surface through bores. This subterranean marvel sustains billions in economic activity, supports towns, agriculture, and unique desert oasis, proving that the most vital elements are often unseen.