National Geographic’s popular speaker series, National Geographic Live , comes to Sydney, Melbourne, and Auckland this winter with two award-winning adventure photographers and National Geographic Channel is giving you the chance to win a double pass to attend.

From the planet’s polar regions to its tropical rainforests and everywhere in between, Paul Nicklen and Joel Sartore have braved charging animals and shrugged off extremes of heat and cold, risking disease and injury to get the stories and images that capture the imagination of readers worldwide. Paul and Joel are leading the 21st century into a new age of exploration. Don’t miss the opportunity to listen firsthand about their amazing experiences.

To enter fill in your details onsite and answer the question “Tell us in 25 words or less, what is the most unforgettable moment you’ve caught on camera while on holiday and why?”

The competition closes 12 July 2013.