Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

Split's smallest church, and one of its oldest, has been reconstructed inside the city's Roman walls.

This ancient Roman aqueduct once funneled water to Diocletian's palace.

When Croatia became independent of Yugoslavia, the splintering governments left behind these concrete tunnels.

A limestone grotto where daylight filters in from below and turns the water a beautiful turquoise. Also home to a small underwater nativity scene.

Ancient snack bar of the Roman Empire re-opened.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The walls and streets of the ancient city are peppered with penises.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

According to the legend, this structure was built in a single night with the help of the devil.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

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.

It's said that visitors can "see" Tasmania inside this cave.

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

A natural rock bridge towers above the sea.

The world's tallest shot tower—maybe.

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

The forgotten and tragic story of the thousands of female convicts forcibly transported to Tasmania is told inside the ruins of this notorious 19th-century workhouse.

The world's only full-size replica of the research hut used by Douglas Mawson for his 1911-14 Australasian Antarctic Expedition.

Bronze statues honor the brave explorers who passed through this Antarctic gateway.

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

It's beautiful, it's haunted and its claim to fame is that it's the oldest existing stone arch bridge in Australia.

One of the best beaches in the entire world.