While the online travel giants tussle for their share of flight and hotel bookings, a host of new generation sites are looking to sell travellers their definitive overseas experiences before even leaving the country.

Several colourful and inspirational sites have emerged, enticing consumers to book a ballooning, kayaking or light plane trip online - rather than the traditional method of using a guidebook or stumbling across the requisite roadside stall/beach shack while on holiday and being spontaneous.

"Think how galling it would be to go on a once-in-a-lifetime holiday then find out you missed out on this great experience because you never knew it was there. You can't just rely on the hotel concierge." That's the argument from Ranjan Singh, co-founder of the latest "travel experiences" site to launch, Isango.

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