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The Bahamas get pounded by 200mph winds during category five Hurricane Dorian - the most intense cyclone the country has ever seen; in Arizona, flash flooding sweeps a couple away resulting in a heart-stopping rescue.

Wildfires rip through Victoria, Australia. In Texas, a skydiving training session ends in disaster when there's a major midair collision at 30,000 feet.

In Arkansas, two storm chasers help warn people that a tornado is barrelling towards them, wreaking havoc on downtown Jonesboro and leaving a trail of destruction. In Idaho, a daredevil adventurer decides to swim beneath a frozen lake.

In Australia, the worst bushfires in recent history attack multiple towns - overwhelming firefighters and trapping tourists; The Philippines is usually resilient to natural disasters, but a 6.4 magnitude earthquake catches everyone off-guard.

A tornado tears a mile-wide path through the American town of Moore, Okla., destroying two schools while the pupils are inside.

A holiday cruise ship sails into a hurricane, terrifying 4,000 passengers as their cabins are plunged underwater.

Hurricane Patricia rips apart a Mexican holiday resort sending tourists fleeing for their lives.

In 2015, a massive earthquake in Nepal triggers a deadly avalanche on Mount Everest and mudslides that bury whole villages.