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

This Australian beach is composed of tiny shells.

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

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

An ancient rock engraving shows Aboriginals used their advanced knowledge of the stars to hunt and gather.

Thousands of lawn gnomes have infested this Australian roundabout.

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

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

A clear example of the process of erosion in action.

One of the best beaches in the entire world.

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

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

This extraordinary geological oddity resembles human-made pavement.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

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

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

Australian Lake set aglow by Noctiluca Scintillans.