Venice's "Island of the Mad."

Go inside to really appreciate this 500-year-old technological masterpiece.

The only museum with its curator—and her pets—buried inside.

100 year tradition of fist fights, marked by marble footsteps.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

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

This extraordinary geological oddity resembles human-made pavement.

Aqua white sand highlighted with fiery red rocks.

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

A small, but award-winning beach known for its literally spotless reputation.

Giant fruit signaling the entrance to a tropical paradise.

For a century, the tallest building in Tasmania was a tower built to manufacture ammunition.

The world's tallest shot tower—maybe.

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

One of the best beaches in the entire world.

Granite rocks that concentrate waves into powerful jets.

Carved panels tell the complete history of the harsh Central Highlands region.

These mythological giants take time out of their busy day guarding a Victorian market to let you know what time it is.

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

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

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

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

A microcosm of the whaling industry in a small Australian town.