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

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.

Nature is leading a successful mutiny on this century-old freighter.

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

An abandoned railroad tunnel is now filled with bioluminescent bugs.

An Australian lake whose pink hue defies scientific explanation.

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

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

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

These tracks are believed to be from a panicked dinosaur stampede.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

In a strange timezone anomaly, Daylight Saving Time here sets the clocks forward just 30 minutes.

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.

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

A giant Australian fruit and tropical farm.

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

This eccentric cave dwelling is bizarre even by the standards of a subterranean town.

A tiny town's spinning, whirling propeller collection holds Australia's largest windmill.

This abandoned railroad tunnel is now home to a micro-colony of bats and a ghost train.

This small Australian town is considered home to the "Yowie" or the Aussie Big Foot.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

This rickety old shed hides a trove of secondhand literary treasures.