Researchers' formula for a truly memorable holiday

The formula for a truly memorable holiday includes travelling with at least four people, enjoying a minimum of four new experiences - and finding one ‘hidden gem’.Researchers polled 2,000 holidaymakers aged 18-34 to identify 20 elements that are likely to make a break unforgettable.A third (34 per cent) felt stepping out of your comfort zone was important to create memories, wanting to push their boundaries at least three times.