This drowning bronze monument marks the spot where one of Australia's great engineers died by suicide.

The unique work of art celebrates the 30th anniversary of the 1988 World Expo.

Roadside attraction outside of a recycling center.

These flying foxes dangle from the trees around the library like fuzzy black fruit.

The 25-million-year-old cavities have perplexed people for decades.

Ninety years of Sydney buses under one roof.

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

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

Home of the world's largest crocodile.

The sand is such a bright white that on sunny days you practically need sunglasses to look at the ground.

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

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

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

A giant Australian fruit and tropical farm.

A series of eerie metal stick figures are spread out over four square miles on the bed of a huge salt lake in the Australian Outback.

A huge maze complex and whimsical miniature village in Tasmania.

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

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

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

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

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

This Australian beach is composed of tiny shells.

This historic observatory contains the world's oldest refracting lens telescope.

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