Cairns, Queensland
When you hear about 'must do' activities, or 'things to do before you die', there is always a suspicion that it won't live up to your expectations, and will leave you a bitter empty husk, left to live out your days as a hermit.
Snorkelling in the Great Barrier Reef is definitely not one of them. I finally mastered the knack of breathing through my mouth (which is more difficult than it seems!), and could concentrate on what was around me. It was fricking amazi...