A small Australian farmhouse became an international icon after appearing on a Midnight Oil album cover.

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

An underground city of salt.

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

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

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

A steampunk airship "floats" above Hamilton Gardens delivering plants and compost.

The "Rocky Horror Picture Show" character has a hidden camera that broadcasts people doing the "Time Warp."

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

Hundreds of toothbrushes hang from a wire fence along a quiet New Zealand road.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

One of the world's largest tractors was built to replace camel caravans.

Whitewashed mosque contains the world's largest carpet.