An abandoned marine theme park has created a difficult experiment in dolphin rewilding.

These Australian rock formations look like Martian beehives that have grown up out of the landscape.

Twelve sculptures designed to make their best showing with the coming or going of the sun.

Dedicated to an "Unknown Man," this grave holds either the remains of a lovelorn suicide or a Cold War spy.

The first tourist attraction to offer tours for interstellar tourists.

Granite rocks that concentrate waves into powerful jets.

A forest full of mystical fantasy figures, nearly destroyed by recent fires.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

The Australian lorikeets that like to tie one on in an annual drinking binge.

6000-year-old coal fire moves one meter per year.

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

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

One man's artistic vision is a small town government's legal battle.

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

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

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

This Australian beach is composed of tiny shells.

Outdoor art exhibition made of classic Tetris pieces.

Not a single witness can attest to the creation of the world's largest geoglyph.

White cockroaches and other cave species occupy this massive series of lava tubes.

Come for the flowers, stay for the bats!

Largest maize maze in the Southern hemisphere built with GPS technology on more than two acres.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

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