10 Surprising Things People Lose on Roller Coasters

This cardboard box full of eyeglasses is just a small part of the many things found by employees around the Mind Eraser roller coaster at Elitch Gardens Theme and Water Park, Denver. Karl Gehring/The Denver Post via Getty Images

Six Flags Great America near Chicago is a classic American amusement park featuring more than a dozen hair-raising thrill rides. Vertical Velocity catapults riders from zero to 70 mph (113 kph) up a towering vertical track. Superman: Ultimate Flight suspends riders head-first and face-down while rocketing them through a series of dizzying loops and twists.

All of those stomach-sinking drops and G-force turns clearly have a disorienting effect on the senses. How else to explain why so many park-goers neglect to secure their cell phones, wallets, sunglasses and baseball hats before climbing into the next coaster?

During the 2011 season alone, Six Flags Great America staffers recovered 7,500 cell phones, 3,500 digital cameras, hundreds of sunglasses, wallets, and keys, and untold quantities of loose change from inside the cars and beneath the tracks of its roller coasters [source: Black].

Imagine for a second that you're the Six Flags employee stuck with the job of scouring the prairie grass under Goliath, the world's "tallest, steepest and fastest wooden roller coaster," and you stumble onto something odd. Not another cracked iPhone or a pair of Ray-Bans, but something truly bizarre.

We've assembled a list of 10 unusual things that people lose on roller coasters — some tangible, some physical and some psychological. Keep reading for a strange trip through the lost and found.