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

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.

Hundreds of bras, blowing in the wind.

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

Carved panels tell the complete history of the harsh Central Highlands region.

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

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

Olive’s garden serves up a seemingly endless helping of outback delights.

An incredible garden taking over the interior of a massive sinkhole.

Popular tourist destination now stands as a memorial to Sam the koala.

A clear example of the process of erosion in action.

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

One of the oldest operating hydroelectric power schemes in Australia.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

A symbol of the early days of skiing in Australia

This Australian ski resort was forced to close due to changing climate conditions.

Ripped apart by a bomb in 1993, the shell of Pablo Escobar's infamous vacation house still stands.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Constructed on the ruins of a convent, this tower saved countless lives.

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

A natural rock bridge towers above the sea.