Join explorer Christopher Horsley as he travels to the world's most active volcanoes. Dedicated to documenting violent eruptions and installing scientific monitoring systems to save lives, Horsley and a team of documentary filmmakers risk it all to bring you into the calderas of these terrifying forces of nature. In the series premiere, Horsley and the team book it to the Spanish Island of La Palma, where a volcano has burst open, releasing an avalanche of lava. In its path are the homes of seven thousand residents.

Join explorer Christopher Horsley as he travels to the world's most active volcanoes. Dedicated to documenting violent eruptions and installing scientific monitoring systems to save lives, Horsley and a team of documentary filmmakers risk it all to bring you into the calderas of these terrifying forces of nature. In the series premiere, Horsley and the team book it to the Spanish Island of La Palma, where a volcano has burst open, releasing an avalanche of lava. In its path are the homes of seven thousand residents.