Two keen bikers take an off-road trail in the Colorado Mountains and one ends up falling off the cliff. Miraculously he only suffers minor injuries.

In Ningaloo Beach in Australia a manta ray is in trouble, with a fishing hook hanging from its eye, meaning it could fall prey to other hunters in the ocean and die.

A rookie skydiver gets things wrong and puts himself and his instructors in danger. Thankfully quick thinking by his instructors saves the day.

A couple in South Africa on an aerial anti-rhino poaching mission accidentally fly into a zip wire and are left dangling by the propeller shaft.

When Neil Parker decides to go for one of his regular three-hour hikes in the Australian outback - without telling anyone where he is going - it is nothing out of the ordinary.

In Canada a plane crash leaves a pilot out of contact and stranded.