Hundreds of people walk past this palm tree every day without spotting its secret.

Three-story concrete ram with a permanent gift shop.

This giant dish located in a sheep paddock was the primary receiver of Apollo 11 TV transmissions.

One of the first big sculptures anywhere in Australia.

Concrete spud looks like the North American Sebago.

The 18th-century home was disassembled into 253 cases and brought all the way from the other side of the world.

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

There's nothing shrimpy about the world's largest artificial prawn.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

A massive metal lobster welcomes tourists to a roadside restaurant.

These flying foxes dangle from the trees around the library like fuzzy black fruit.

Native Australian lizards inhabit this garden celebrating Sydney and its sister city in China.

After much poking and prodding, this island is decidedly not a magnetic anomaly, but it sure is pretty.

This controversial museum includes such detested exhibits as a chocolate suicide bomber and fecal-smelling digestion machine.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.

A self-funded cemetery with a long list of inhabitants.

A giant Australian fruit and tropical farm.

It's said to be one of the most significant collections of contemporary Chinese art in the world.

The statue honors an adventurous seafaring cat.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

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

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

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

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