How the Earth Works

Liz and Martin travel to the tropical paradise of Hawaii to investigate how evidence of catastrophic events in its geologic past reveal a pattern of destruction that stretches back millions of years.

Liz and Martin travel to Indonesia to look into the history of the dangerous volcano Krakatoa. They explore the growing monster's landscape and uncover a volcanic mine that reveals a poisonous threat to humanity.

Liz and Martin visit Japan to learn how much of a threat volcanoes, earthquakes and tsunamis pose to the country. Included are a trip to the area where a devastating tsunami struck in 2011 and an experience in a tsunami simulator.

A trip to Naples in Southern Italy reveals that Mount Vesuvius isn't the only volcanic threat to the city. The region also lies in the shadow of a massive supervolcano called Campi Flegrei.

Martin and Liz explore Iceland to see if its volcanoes could spread global chaos in the future. Martin samples an insane motorsport on ashy slopes and Liz dives between the continental plates of North America and Europe.

Martin and Liz investigate a giant asteroid impact that may have wiped out the dinosaurs 65 million years ago. Martin experiences the power of a NASA supergun and Liz heads to Mexico where she dives an underground river.

Liz and Martin take a trip to the iconic Rocky Mountains to investigate the extraordinary link between the mountain range's soaring peaks and the uranium that ended up in the atomic bombs that helped end World War II.

Liz and Martin explore North America in search of evidence of Ice Ages, some of the most powerful geological events the Earth has ever seen. They learn how they both carved the land and molded life.