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

After much poking and prodding, this island is decidedly not a magnetic anomaly, but it sure is pretty.

Peanut butter trees and miracle berries are just the beginning.

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

The only pollutant in the clear blue water is sunscreen.

Dedicated to a pivotal figure in the region's tourism industry.

A clear example of the process of erosion in action.

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

A plaque at the lighthouse where Frederick Valentich made his last radio contact before he vanished without a trace.

The spherical grains of white quartz sand give every step on this Australian beach a distinctive sound.

The tallest mountain in mainland Australia.

This giant dish located in a sheep paddock was the primary receiver of Apollo 11 TV transmissions.

Lonely industrial sculptures in South Australia created by a mechanic turned artist.

The longest fence in the world stretches over 3,000 miles to keep the dingoes out.

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

Finding the exact middle of a giant land mass is hard to determine, but this spot managed to do the trick.

A historic hotel on the edge of the Australian outback.

One of Australia's famed "Big Things," this giant fruit was once stolen as part of a publicity stunt.

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

A cairn commemorating James Cook's second landing in Australia.

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

On the outskirts of an opal-mining town, these baths fed by a massive underground aquifer are a natural spa.

There's nothing shrimpy about the world's largest artificial prawn.

A colorful sculpture of an Australian symbol patrols an otherwise ordinary traffic island.