Chris Horsley and the team travel to the Democratic Republic of Congo, home to Mount Nyiragongo, which contains the largest lava lake in the world. The mountain holds a nasty surprise for the team, erupting and engulfing the nearby city of Goma with lava.

Chris Horsley and the team travel to the Democratic Republic of Congo, home to Mount Nyiragongo, which contains the largest lava lake in the world. The mountain holds a nasty surprise for the team, erupting and engulfing the nearby city of Goma with lava.