A series of sculptures beneath the waves promote ocean conservation and support coral reefs.

A tiny museum in Esperance, Australia, displays a bunch of space debris from NASA’s Skylab.

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

A historic hotel on the edge of the Australian outback.

Final resting place for hundreds of prisoners of war.

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

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

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

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

This shrine to film's most iconic wasteland wanderer is located in the very outback where the movies were shot.

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

Rainforest filled with record-holding eucalyptus.

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

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

An abandoned railroad tunnel is now filled with bioluminescent bugs.

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