Incredible rock formations jut from the southern end of this spectacular stingray-viewing spot.

This ancient limestone cave system contains many impressive geological features.

This water wheel turned to stone in a matter of decades.

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

A replica of an early 19th-century vessel that sailed across the world.

Home to the last shore-based whaling station in Australia.

Wild seas have created two spectacular formations just a stone's throw away from each other.

Kakadu National Park is known for its stunning beauty and its rock art, which represents the longest historical records of any continuous civilization on Earth.

Let these towering termite-building structures tell you where to go.

This preserved site served as part of Northern Australia’s defense in World War II.

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

Critics argue this boab tree has been mislabeled for the sake of dark tourism, undermining its spiritual significance.

A fibreglass sculpture of a whale shark on the grounds of a petrol station.

Alien rock formations grown from the sands of an Australian national park.

The longest timber-piled jetty in the world has an underwater observatory.

Ships still use this historic lighthouse to navigate dangerous, island waters.

The oldest observatory in West Australia.

The topiary maze at the Habsburg hunting lodge.

A museum capturing one of the world's most famous classical composer's battle with hearing loss.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Op-art architecture designed for happiness.

A non-stop elevator ride in Vienna's city hall.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.