Chronicles the efforts of nature photographer James Balog to document the receding of the Solheim glacier in Iceland, a consequence of climate change and global warming, in which strategically placed cameras would take one picture every hour for three years.

Science professor Trevor Anderson's radical theories have tarnished his reputation. While backpacking across Iceland with his nephew Sean, the two find a cave that leads them deep down into the bowels of the planet. They go on a quest to find out what has happened to Trevor's missing brother, also a scientist. Trevor, Sean and their mountain guide discover a fantastic and dangerous lost world in the center of the earth. There, they discover a bizarre...