Curious crater remnants in the middle of the Australian outback.

6000-year-old coal fire moves one meter per year.

Clusters of huge boulders in the Australian Outback.

Not a single witness can attest to the creation of the world's largest geoglyph.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

An incredible garden taking over the interior of a massive sinkhole.

Microscopic fossils suggest Australia may be the birthplace of sulphur-based life forms.

Aqua white sand highlighted with fiery red rocks.

This historic observatory contains the world's oldest refracting lens telescope.

WWI hospital ship lost in a cyclone turns up on the coast of Fraser Island, where she remains rusted and forgotten.

Home of the world's largest crocodile.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

A wonder of natural limestone formations etched by millions of years of natural interaction between rainfall and rock and air.

Alien rock formations grown from the sands of an Australian national park.

A small, but award-winning beach known for its literally spotless reputation.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

This massive water spout has been luring visitors for hundreds of years, some to their death.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

The labyrinthine storm tunnels beneath the city of Melbourne are ruled by a band of urban explorers.

This Australian beach is composed of tiny shells.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

A granite waterfall cascading down is one of the highest multi-tiered falls in the state.

The unique ecosystem atop an Australian mountain is home to some colorful inhabitants.

Hundreds of tiny dead butterfly eyes gaze down at diners in this Australian eatery.