Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

Building this tragically pointless stone barrier cost the lives of the prisoners made to build it.

Singapore's landscaping project is home to 18 incredible Supertrees.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

Alien rock formations grown from the sands of an Australian national park.

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

Come for the flowers, stay for the bats!

This grim museum collects artifacts and evidence of some of the most sensational antipodean crimes.

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

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

The gigantic preserved heart of a champion racehorse.

The bullet-banged DIY suit of armour belonging to Australia’s most famous outlaw.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

This piece of Australian modern art is part joke and part history.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A clear example of the process of erosion in action.

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

Australia's first open air museum and antique 3D theater.

A massive metal lobster welcomes tourists to a roadside restaurant.

The colony of South Australia was proclaimed on a hot December day under a distinctively arched gum tree.

Dedicated to an "Unknown Man," this grave holds either the remains of a lovelorn suicide or a Cold War spy.

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

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