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

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

A clear example of the process of erosion in action.

The only pollutant in the clear blue water is sunscreen.

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

This extraordinary geological oddity resembles human-made pavement.

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

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

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

The unique ecosystem atop an Australian mountain is home to some colorful inhabitants.

Once the path of a railway tunnel, now home to thousands of glowing insects.

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

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

An Australian lake whose pink hue defies scientific explanation.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

Australian Lake set aglow by Noctiluca Scintillans.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

A Finnish artist's unique fauna statuary.

The etchings on this narrow channel between two islands bear witness to maritime travelers who have passed through since the Middle Ages.

Extraordinary animals sculpted from leftover junk.

A little-known sculpture park of contemporary environmental art in a Lapland forest.

This intricately spiralling forest was created as a monumental work of art.

More than 200 eclectic sculptures surround the artist's home.