These Australian rock formations look like Martian beehives that have grown up out of the landscape.

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

You'll find the little birds tucked within the rocks of this Australian beach.

White cockroaches and other cave species occupy this massive series of lava tubes.

Clusters of huge boulders in the Australian Outback.

Visitors can swim with vicious predators in Crocosaurus Cove's plastic daredevil enclosure.

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

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

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

Nine limestone rock stacks on Australia's "Shipwreck Coast."

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

This pair of Australian "waterfalls" appear to be falling straight across the land.

One of Australia's largest secondhand bookstores.

A clear example of the process of erosion in action.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

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

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

The only pollutant in the clear blue water is sunscreen.

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

Once the path of a railway tunnel, now home to thousands of glowing insects.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.