An underground city of salt.

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

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

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

The Victoria-era quarantine station for Sydney.

One of Australia's largest secondhand bookstores.

Come for the flowers, stay for the bats!

The yawning remains of a complex naval fortress still haunt this Australian shore.

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

A perfect turquoise lake colored with glacier dust.

Hundreds of bras, blowing in the wind.

A massive metal lobster welcomes tourists to a roadside restaurant.

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

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

Subterranean place of worship in Indonesia.

Hundreds of Buddhas in a re-discovered Indonesian temple.

Hot springs monkey spa in the middle of Hell's Valley.

The once highest point in China blends symbolic design with a kick of adrenaline.

A son-and-daughter meat market, hawked by mom and dad.

Sacred waters rescued from the wrath of a volcano.

Hindu temple of the dead home to hundreds of long-tailed macaques.

A "miracle" that seems to produce more holy fistfights than holy revelations.

Ozymandias’ time-keeping temple.