This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Where giant ships go to die.

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

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

There's nothing shrimpy about the world's largest artificial prawn.

One of Australia's famed "Big Things," this giant fruit was once stolen as part of a publicity stunt.

One of the first big sculptures anywhere in Australia.

Everything about this over-size novelty animal is huge including its testicles.

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

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

Popular tourist destination now stands as a memorial to Sam the koala.

A town whose main resource was blue asbestos... what could possibly go wrong?

A giant Australian fruit and tropical farm.

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

The UFO capital of Australia is the outback’s answer to Roswell.

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

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

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

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

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

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

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

Clusters of huge boulders in the Australian Outback.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.