Mount Doom is about to go boom (for real)

Peter Jackson relied on two volcanoes to serve as stand-ins for Mount Doom, Tolkein's fiery mountain of fate, while filming The Lord of the Rings: New Zealand's Mount Ngauruhoe and Mount Ruapehu. Now, geologists are warning locals that the latter may be at risk of erupting. » 11/19/12 10:00am 11/19/12 10:00am