This letter written by Queen Elizabeth II in 1986 won't be opened until 2085.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

This massive water spout has been luring visitors for hundreds of years, some to their death.

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

The decommissioned submarine is now the symbol of a small, inland Australian town.

These naturally occurring but rare geological formations are each about the size of a small house.

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.

This former psychiatric hospital was once one of the largest in Australia.

Mind the rock monster at this cave.

A unique rock formation that only a few have managed to venture inside.

One of the youngest volcanic eruption sites in Australia.

A timber transport car and a team of horses were needed to carry this lookout to the top of Mount Tarrengower in the 1920s.

A tranquil gallery and sculpture garden situated within the classic Australian bush.

This outdoor museum harkens back to the height of the gold rush.

A tribute to one man's encounter with a frightening cryptid.

A monument commemorating the lives lost when a plane crashed into Mount Macedon in 1948.

A potpourri of rocks, fossils, and crystals is rounded out by a dinosaur garden and a 15-foot great white shark.

From this modest childhood home, Ned Kelly went on to become Australia’s most infamous bushranger.

Cooled, fractured lava formed this geometric rock feature.

A local landmark that has become a hub of graffiti and urban exploration.

Is there such thing as too many fruit bats? Not anymore.

Equipped with thousands of LED lights, this geodesic dome-shaped stadium is an engineering delight.

This unusual stone monument marks the starting point of the epic and tragic event.

Designed to celebrate more than a century of circus performances in Australia.