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.

Dams control water supply and generate power, but cities can be submerged in minutes if something goes wrong; bridges and tunnels make hard-to-reach places easily accessible, but when they unexpectedly fail, the results can be disastrous.

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.

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.

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

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

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

From Morbi's 2022 footbridge disaster to Savar's 2013 building tragedy, explore the top 10 most dramatic collapses in history and their global impact.