STRANGER THAN NATURE

Jumping from a helicopter, trekking through crocodile filled mangroves and deadly tides – Captain Marvel herself takes on a weekend with Bear Grylls.

Hundreds of silver fish rain down on a remote outback community in Australia. Some residents swear they fell from the sky, others believe they came up from under the ground in a storm. Could a tornado or a flash flood have strewn the fish across town?

In Orewa Beach, New Zealand, summer swimmers are suddenly attacked by an invisible enemy. They rush out of the water with a stinging, blistering rash. Marine scientists and doctors are baffled. What could be causing such a violent reaction?

Great White Shark attacks targeting surfers, kayakers, and swimmers are ticking up in frequency all over the world. What could be causing this deep-sea predator to turn its sights - and its deadly bite - on humans?

In Minnesota, blue herons are fleeing their nests in droves. Locals - who have made the bird their town logo - are devastated. What could be scaring these birds away?

Large numbers of freshwater crocodiles are turning up dead in the Victoria River district in Australia's Northern Territory. The mystery draws an investigator all the way from Sydney to look into what could be killing these crocodiles.

Big, strong elk are dropping down dead or are left parlayzed in the wild Wyoming countryside by the hundreds. The only clue in this distressing mystery is orange blobs of urine on the ground. Could the strange color of the urine point to the cause of the elks' death and illness?