This ancient limestone cave system contains many impressive geological features.

This simple sailing boat is one of the oldest preserved fishing vessels of its kind in the world.

A metal skywalk leads to the top of this striking granite outcrop in Porongurup National Park.

This lone pillar is all that remains of a 19th-century asylum.

From the late 19th century until the 1960s, these stone-lined "stumps" were a popular place for people to air their views on local and international issues.

A simple tribute to the migrant workers who landed here before walking hundreds of miles to Victoria's gold mines.

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

This tree, with its large oval-shaped scar, is a rare piece of Aboriginal cultural history.

A waterfall rushing through a lush fern gully in Australia's Tarra-Bulga National Park.

The name for this waterfall was derived from the Aboriginal word used to describe a rainforest vine.

Mind the rock monster at this cave.

It's said that visitors can "see" Tasmania inside this cave.

A natural rock bridge towers above the sea.

The ruins of Brisbane’s own Alcatraz now sit in the middle of a national park.

This former brickworks pit is full of legends about its murky depths.

This sacred site lives up to its name with its majestic, color-splashed sandstone formations.

The tallest mountain in mainland Australia.

A rare specimen of an iconic extinct animal in downtown Sydney.

The spherical grains of white quartz sand give every step on this Australian beach a distinctive sound.

This Melbourne bank has unique Gothic-style architectural features and is one of the most majestic operating bank branches in the world.

This remnant of an old railroad is the tallest surviving wooden trestle bridge in Victoria.

A Japanese sculptor carved an ode to biodiversity into a floodplain.

Countless expeditions have left Tasmania to explore Antarctica, but this island state has an even deeper connection with the sea.

A totally unique, animatronic depiction of the Australian gunslinger's last stand.