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

Clusters of huge boulders in the Australian Outback.

Come for the flowers, stay for the bats!

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

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

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

A clear example of the process of erosion in action.

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

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

The only pollutant in the clear blue water is sunscreen.

High winds can make this one scary landing.

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

New Zealand's only running funicular railway.

The platform atop this verdant volcano was built with the help of a royal elephant.

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

A glacier pocked with ice caves and surrounded by rainforests.

A perfect turquoise lake colored with glacier dust.

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

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

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

Qatar's oldest market can trace its origins back more than a century.

The castle still holds traces of the abandoned Roman fort it was built atop.

Recently restored menagerie of Victorian-era beasts.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.