The longest fence in the world stretches over 3,000 miles to keep the dingoes out.

A massive metal lobster welcomes tourists to a roadside restaurant.

The largest collection of Indigenous Australian artifacts in the world, and the rare museum where wood-and-glass cabinets have trumped interactive exhibits.

These mythological giants take time out of their busy day guarding a Victorian market to let you know what time it is.

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

These Australian rock formations look like Martian beehives that have grown up out of the landscape.

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

Clusters of huge boulders in the Australian Outback.

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 stray meteor left this picturesque hole in the Australian outback.

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

An opal mining town in the middle of Australia where people live, worship, and shop underground.

Did Inca children also slide down these smooth rocky slopes above Cusco?

A Christian monastery stands on what was once a holy Incan temple.

A monument to the conquistador became increasingly controversial in the very city that he founded.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

The elaborate crypt where Peruvian heroes of the War of the Pacific were laid to rest.

A small, emotionally charged room inside the Mario Testino Museum dedicated to Princess Diana and one famous photo shoot.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.