Life After People: The Series (2009)

S2E9 Depths of Destruction

In a post-human world, the underground realm experiences catastrophic transformations. Geothermal power facilities collapse as they struggle with intense steam pressure. NORAD, once the United States' nuclear command hub, faces an assault. An empty town is inundated with 400 million animals, while an abandoned mine sees 50-ton minerals flourishing uncontrollably.