This Australian beach is composed of tiny shells.

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.

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

Aqua white sand highlighted with fiery red rocks.

A beautiful, but toxic, lake formed by mining.

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

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

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

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

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

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

A clear example of the process of erosion in action.

One of the best beaches in the entire world.

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

Prehistoric park filled with the fossils of dozens of extinct species including Australian megafauna.

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

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

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

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

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

Australia's largest traditional hedge maze features a Great Gnome Hunt.

This extraordinary geological oddity resembles human-made pavement.

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