Microscopic fossils suggest Australia may be the birthplace of sulphur-based life forms.

This massive water spout has been luring visitors for hundreds of years, some to their death.

Come for the flowers, stay for the bats!

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

Aqua white sand highlighted with fiery red rocks.

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

Rainforest filled with record-holding eucalyptus.

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

Hundreds of tiny dead butterfly eyes gaze down at diners in this Australian eatery.

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

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

A sparkling sandstone cliffside that's worth a visit while it still exists.

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

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

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

An Australian lake whose pink hue defies scientific explanation.

Hundreds of intricately carved Armenian stone crosses can be found within this huge cemetery.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.

Called the "Armenian Stonehenge," this ring of menhirs pierced with holes may be a prehistoric astronomical observatory.

Local legend says that whoever burns down this 2,000-year-old tree will only have seven days to live.

The ruins of a medieval monastery built on a perilous slope.