A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

The glacier tucked within a New Zealand rainforest.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

These phallic stone spires once served as Tolkien's Paths of the Dead.

This strange geological landscape erupts with sudden bursts of water.

Known for the tunnel that leads visitors to the water.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

A perfect turquoise lake colored with glacier dust.

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

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

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

One of the few places in the world home to living stromatolites.

Many rock climbers have come to conquer this slender sea stack, with various degrees of success.

The Victoria-era quarantine station for Sydney.

One of the first big sculptures anywhere in Australia.

The sand is such a bright white that on sunny days you practically need sunglasses to look at the ground.

This controversial museum includes such detested exhibits as a chocolate suicide bomber and fecal-smelling digestion machine.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

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

Come for the flowers, stay for the bats!

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

This Australian beach is composed of tiny shells.

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

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.