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

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

This 19th-century convent is now a flourishing 21st-century hub for art.

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

A clear example of the process of erosion in action.

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

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

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

Many rock climbers have come to conquer this slender sea stack, with various degrees of success.

This extraordinary geological oddity resembles human-made pavement.

The world's tallest shot tower—maybe.

This simple sailing boat is one of the oldest preserved fishing vessels of its kind in the world.

The abandoned remains of a once popular zoo, and the grave of the last known Tasmanian Tiger.

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

The once-dying town of Sheffield, Tasmania has reinvented itself as a village of painted wonders.

A tunnel with windows, so you don't miss out on the impressive views.

See massive fossils that are over 200 million years old in northeastern Arizona.

The cinder cone volcano with a less than complimentary name.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Experience a charming 1930s version of "infotainment."

A sharp bend in a dramatic river canyon cut through red rocks.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.