Australia's most indulgent spa treatments | The Insight Files |

According to a study conducted by SRI International, wellness tourism represents a $US439 billion ($480 billion) global market for the tourism industry, and one that is projected to grow almost 10 per cent a year over the next five years. With travellers now expecting spa treatments to be part of their getaway experiences, hotels, resorts and retreats are upping the luxury quotient of their spa menu. So take stock, replenish and rebalance with Australia's most indulgent treatments.