How the Earth Was Made

Scotland's Loch Ness was once part of America, frequented by dinosaurs and engulfed by huge volcanic eruptions; examining whether the legendary Loch Ness monster could be descended from dinosaurs.

Volcanoes, landslides and tsunamis are among the forces that shape the Hawaiian islands; Hawaii's volcanoes might hold clues to the inner workings of the planet.

Digging into the geological mystery of the first billion years of Earth's existence as experts explore how the planet first formed from the dust of the solar system.

Examining the debate over whether the spectacular Yosemite Valley was formed from gigantic glaciers or a cataclysmic rifting of the Earth.

A massive volcanic eruption in Siberia kills 95 percent of the species on Earth 250 million years ago, paving the way for the age of the dinosaurs.

Charting the progress of different ice ages through the history of Earth and examining when the next one is due.