New Zealand's epic shrine to all things puzzling.

Highly spherical boulders on the shores of New Zealand.

A perfect turquoise lake colored with glacier dust.

The glacier tucked within a New Zealand rainforest.

After the devastating 2011 earthquake, historic Christchurch begins to recover, starting with the pop-up Re:START mall.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

This strange geological landscape erupts with sudden bursts of water.

Handcrafted thermal spa washes away each night with the tide.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

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

One of the first big sculptures anywhere in Australia.

This grim museum collects artifacts and evidence of some of the most sensational antipodean crimes.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

White cockroaches and other cave species occupy this massive series of lava tubes.

Come for the flowers, stay for the bats!

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

WWI hospital ship lost in a cyclone turns up on the coast of Fraser Island, where she remains rusted and forgotten.

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

This historic observatory contains the world's oldest refracting lens telescope.

The only pollutant in the clear blue water is sunscreen.

A clear example of the process of erosion in action.

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

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