Big thrills at theme parks September 3, 2012 -- Updated 1822 GMT (0222 HKT) Busch Gardens Cedar Point PortAventura Michigan fair Nottingham Goose Fair Glenwood Caverns Adventure Park Walt Disney World Coney Island (CNN) -- Take advantage of the long weekend with a jolt to your senses. We asked iReporters to share photos of their favorite theme park thrills.