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

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

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

Is there such thing as too many fruit bats? Not anymore.

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

You'll find the little birds tucked within the rocks of this Australian beach.

Come for the flowers, stay for the bats!

One of the best beaches in the entire world.

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

The word 'wunderkammer' translates as 'wonder-chamber'. This Wunderkammer is both a museum and a retail store.

The ruins of New Zealand's largest classical-style church.

High winds can make this one scary landing.

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

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

A perfect turquoise lake colored with glacier dust.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A marvel of Byzantine engineering under the streets of Istanbul.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

This restaurant sits within the walls of an 18th-century fortification that once defended the city’s old quarter.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

The history and future of cannabis.