Talk about taking their mother-daughter relationship to a whole new level! Two Aussies have become the first mother-daughter team to reach the top of Mount Everest.

Sir Edmund Hillary, the New Zealander beekeeper who was the first person to reach the top of Mount Everest, has died. His brave act has inspired countless others to reach for the heights. We introduce you to three courageous climbers.

Many try -- not all succeed. But it seems that these days, the biggest names in mountain climbing are people over the age of 50! In fact, a group of 70-year-olds is hoping to smash the record for climbing Mount Everest.