I'm going to go ahead and say Cracked.com is probably correct on this one - avalanche. http://www.cracked.com/article_16671_6-famous-unsolved-mysteries-with-re

I'm going to go ahead and say Cracked.com is probably correct on this one - avalanche. http://www.cracked.com/article_16671_6-famous-unsolved-mysteries-with-really-obvious-solutions.html http://www.cracked.com/article_16671_6-famous-unsolved-myste...