To mark the launch of the world-first National Geographic app, you and a friend could win a trip to the extraordinary Galápagos Islands worth $34,000. Flying to Ecuador to board the National Geographic Endeavour II and cruising in a Category 1 cabin for 10 days, you'll enjoy boundless opportunities to be surrounded by natural wonders and exotic wildlife.

Sailing through the Galápagos Archipelago, you'll see tortoises roam, blue-footed boobies strut across your path and marine iguanas meander over ancient volcanic landscapes. To see more about this incredible trip, check out the video or click here to find out more about National Geographic Expeditions.

To win this incredible prize simply enter your details below to be in the draw to win!

Don't forget the prize is only valid for travel from 1 August 2017 - 10 December 2017 and subject to availability of the stated cabin.

Terms & Conditions: Galápagos Islands competition: Entry is open to eligible Optus customers with an active Optus service in Aust, over 15 years. Starts: 9am AEST 03/07/17. Ends: 11:59 pm AEST 31/07/17. Max 1 entry/person. Click here for full terms and conditions.