Across the globe lies unseen but widely known threats that can change the world as people know it, from the Yellowstone Supervolcano, the San Andreas fault to nuclear armageddon, climate change, artificial intelligence and global pandemics.

Earthquakes occur when tectonic plates suddenly shift and shock waves shake the Earth's surface; they occur along fault lines -- the most active being the Ring of Fire in the Pacific Ocean and the San Andreas Fault on the American West Coast.

Experiencing expeditions gone wrong from the Northwest Passage, the 1996 Everest disaster and the lost city of Z, the Donner-Reed expedition, Lewis and Clarke and the Darien Isthmus, captivating tales with characters and stories worthy of Hollywood.

Earhart, Everest and the Lost City of Z; uncovering the causes behind the top 10 tragic expeditions in history.

Trains, planes, and ships collide; exploring ten global collisions.

When water unleashes its rage upon the planet, it becomes the ultimate bringer of death; whether it's from rain washing over the ground, rivers bursting their banks, or failed efforts to stem the flow, flooding is as inevitable as it is unstoppable.

Hurricanes, typhoons and cyclones are all the same thing with different names, but what they also have in common is their destructive power.

When it comes to disasters, mother nature has mankind beat, but oil spills, building collapses, and nuclear accidents are becoming increasingly devastating. How does this impact the planet's vitality?

Explore the 10 worst train and plane disasters. From hijackings to malfunctions, these catastrophic events reveal the hidden dangers of travel.

From forgotten shipwrecks to headline disasters, the sea claims countless lives. Despite technological progress, danger lurks.