Located 460 mi/740 km northwest of Adelaide, the town of Coober Pedy, where most of Australia's opals are mined, is almost entirely underground. Stay two nights and tour the mines (you'll learn e ...

He hopes that a big find at Shell Patch will attract new entrants into the industry. John Dunstan wants to see a new generation of opal miners "There hasn't been a major strike [in Coober Pedy ...

Coober Pedy is at the centre of Australia's opal mining industry. Now the town, where 60% of its residents live underground, is becoming a leader in sustainable living. Video by Clare Richardson ...