This volcanically volatile island town is home to an abandoned series of tunnels left by the Japanese during WWII.

The largest wax museum in the southern hemisphere features a grizzly chamber of horrors.

The Victoria-era quarantine station for Sydney.

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

This secret Australian garden was built on love after a man planted a random bulb he found in the ocean.

Come for the flowers, stay for the bats!

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

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

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

One of Australia's largest secondhand bookstores.

Hidden among popular Sydney golf courses is a little remembered graveyard populated by smallpox victims.

The largest necropolis in the Southern Hemisphere.

Over two million dolls have been healed during this hospital's century in business.

A sparkling sandstone cliffside that's worth a visit while it still exists.

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 first tourist attraction to offer tours for interstellar tourists.

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

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

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

Three-story concrete ram with a permanent gift shop.

One man's artistic vision is a small town government's legal battle.

One of the best beaches in the entire world.

Granite rocks that concentrate waves into powerful jets.