One of the Kimberley's best-kept secrets, this vast subterranean labyrinth, 90km south-east of Fitzroy Crossing, on Gooniyandi land, houses a significant collection of Aboriginal rock art and some of the most impressive fish fossils in the southern hemisphere. Indigenous-owned Girloorloo Tours runs trips including an introduction to local Dreaming stories, bush tucker and traditional medicines. Book through Fitzroy Crossing or Halls Creek visitor centres.