There are automatic brakes on each turbine, to keep it from turning too fast in a wind storm. If the brake fails, the turbine flies apart, because of too much centrifugal force on blades and on the mechanism (nuts and bolts) that holds the blades to the rotor shaft.

http://www.youtube.com/watch?v=7nSB1SdVHqQ

Some get over-heated and catch on fire:

http://www.youtube.com/watch?v=HKkTU...eature=related

http://www.youtube.com/watch?v=4N4HQ...eature=related

Some get struck by lightening:

http://www.youtube.com/watch?v=OyOiD...eature=related

And some are zapped by Pod People from outer space:

http://www.youtube.com/watch?v=L-jzblCbsuA