Nine limestone rock stacks on Australia's "Shipwreck Coast."

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

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

An Australian lake whose pink hue defies scientific explanation.

Clusters of huge boulders in the Australian Outback.

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

The only pollutant in the clear blue water is sunscreen.

A small, but award-winning beach known for its literally spotless reputation.

Marvel of green building techniques that sings with the wind.

The world’s most primitive form of bungee jumping.

A clear example of the process of erosion in action.

Australian Lake set aglow by Noctiluca Scintillans.

This extraordinary geological oddity resembles human-made pavement.

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

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Watch the newest land on the planet form before your eyes.

A tunnel of hardened lava along Maui’s famous Road to Hana.

A Hawaiian stairway to heaven—that you can't climb.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Tubing through a cave lit with glowworms is a magical underground experience.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

A glacier pocked with ice caves and surrounded by rainforests.