As one of the world's largest hydroelectric dams this plant took two countries to get built.

A small but industrious mining operation that allows visitors to touch precious gems while they are still in the rock.

An underexplored, 130-foot tropical waterfall that you will have all to yourself.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

These spectacular ruins were built by Spanish padres in the 17th century.

The sand is such a bright white that on sunny days you practically need sunglasses to look at the ground.

Ninety years of Sydney buses under one roof.

A beautiful hike through national parks, forests and beaches in Western Australia.

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

A granite waterfall cascading down is one of the highest multi-tiered falls in the state.

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

A series of eerie metal stick figures are spread out over four square miles on the bed of a huge salt lake in the Australian Outback.

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

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

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

A wonder of natural limestone formations etched by millions of years of natural interaction between rainfall and rock and air.

This Australian beach is composed of tiny shells.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

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

Come for the flowers, stay for the bats!

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

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

Australia's largest traditional hedge maze features a Great Gnome Hunt.