This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

World War II ended before these tunnels built to protect vital oil from Japanese bombs were ever used.

The abandoned remains of a once popular zoo, and the grave of the last known Tasmanian Tiger.

Tiny artwork tucked within glass letterboxes form this hidden gem of an art gallery.

A whimsical menagerie of creatures carved into a 300-year-old tree trunk.

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

This once-booming gold mining hub was basically abandoned overnight.

For a century, the tallest building in Tasmania was a tower built to manufacture ammunition.

A granite waterfall cascading down is one of the highest multi-tiered falls in the state.

This controversial museum includes such detested exhibits as a chocolate suicide bomber and fecal-smelling digestion machine.

Granite rocks that concentrate waves into powerful jets.

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

Aqua white sand highlighted with fiery red rocks.

A beautiful, but toxic, lake formed by mining.

One of the best beaches in the entire world.

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

A remarkable lifelong collection of antiques and art preserved in a historic Melbourne townhouse.

"The Wonder From Down Under," a worm shaped museum celebrating the endangered Giant Gippsland earthworm.

The ruins of a once prosperous power station have become a mouldering seaside gem.

A local landmark that has become a hub of graffiti and urban exploration.

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

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

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

Ruins of a German Castle on top of a towering stone pillar.