A day at amusement parks like Disneyland and Six Flags is usually a mix of endless waiting in line and a few short minutes of pleasure - but sometimes the ultimate nightmare of riders comes true and rides break, causing horrible accidents. What are the worst amusement park accidents? Many people fear the incidents that are on this list. Roller coaster cars flying off the tracks, harnesses not working properly, and cables coming loose.

Most amusement park rides get your adrenaline pumping but are completely safe. Occasionally though, there is an all out disaster where the machinery goes crazy and someone loses a limb or dies. Whether due to malfunctioning or park-goer error, these amusement park disasters have certainly scarred these people for life.

The most horrible amusement park accidents, tragedies, and fatalities that have ever happened appear on this list, leaving us to wonder why so many onlookers took out their camera phones instead of helping.