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

Relics of Australia's convict past, and a modern scene of unimaginable horror.

A beautiful, but toxic, lake formed by mining.

Come for the flowers, stay for the bats!

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.

Aqua white sand highlighted with fiery red rocks.

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

Rainforest filled with record-holding eucalyptus.

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.

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

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

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

A stray meteor left this picturesque hole in the Australian outback.

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

One of the best beaches in the entire world.

A sparkling sandstone cliffside that's worth a visit while it still exists.

Dilapidated ruins that once treated a notorious young serial killer, currently hosting vandals, squatters, and ghost hunters.

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

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.

An opal mining town in the middle of Australia where people live, worship, and shop underground.